jon48 / webtrees-lib

app/Module/GeoDispersion/Services/PlacesReferenceTableService.php

Indentation +79 added lines, -79 removed lines

@@ -21,91 +21,91 @@
  */
 class PlacesReferenceTableService
 {
-    /**
-     * Mapping format placeholder tags => table column names
-     * @var array<string, string>
-     */
-    private const COLUMN_MAPPING = [
-        'name'  =>  'majgr_place_name',
-        'id'    =>  'majgr_place_admin_id',
-        'zip'   =>  'majgr_place_zip',
-        'gov'   =>  'majgr_place_gov_id',
-        'mls'   =>  'majgr_place_mls_id'
-    ];
+	/**
+	 * Mapping format placeholder tags => table column names
+	 * @var array<string, string>
+	 */
+	private const COLUMN_MAPPING = [
+		'name'  =>  'majgr_place_name',
+		'id'    =>  'majgr_place_admin_id',
+		'zip'   =>  'majgr_place_zip',
+		'gov'   =>  'majgr_place_gov_id',
+		'mls'   =>  'majgr_place_mls_id'
+	];
 
-    /**
-     * Get the formatted target mapping value of a place defined by a source format.
-     *
-     * @param string $source
-     * @param string $source_format
-     * @param string $target_format
-     * @return string|NULL
-     */
-    public function targetId(string $source, string $source_format, string $target_format): ?string
-    {
-        // Extract parts for the WHERE clause
-        $source_format = str_replace(['{', '}'], ['{#', '#}'], $source_format);
-        $source_parts = preg_split('/[{}]/i', $source_format);
-        if ($source_parts === false) {
-            return null;
-        }
-        $source_parts = array_map(function (string $part): string {
-            if (preg_match('/^#([^#]+)#$/i', $part, $column_id) === 1) {
-                return $this->columnName($column_id[1]);
-            }
-            return $this->sanitizeString(str_replace(['?', '*'], ['_', '%'], $part));
-        }, array_filter($source_parts));
-        $source_parts[] = "'%'";
-        $concat_statement = 'CONCAT(' . implode(', ', $source_parts) . ')';
+	/**
+	 * Get the formatted target mapping value of a place defined by a source format.
+	 *
+	 * @param string $source
+	 * @param string $source_format
+	 * @param string $target_format
+	 * @return string|NULL
+	 */
+	public function targetId(string $source, string $source_format, string $target_format): ?string
+	{
+		// Extract parts for the WHERE clause
+		$source_format = str_replace(['{', '}'], ['{#', '#}'], $source_format);
+		$source_parts = preg_split('/[{}]/i', $source_format);
+		if ($source_parts === false) {
+			return null;
+		}
+		$source_parts = array_map(function (string $part): string {
+			if (preg_match('/^#([^#]+)#$/i', $part, $column_id) === 1) {
+				return $this->columnName($column_id[1]);
+			}
+			return $this->sanitizeString(str_replace(['?', '*'], ['_', '%'], $part));
+		}, array_filter($source_parts));
+		$source_parts[] = "'%'";
+		$concat_statement = 'CONCAT(' . implode(', ', $source_parts) . ')';
 
-        // Extract columns used in target
-        $columns = [];
-        if (preg_match_all('/{(.*?)}/i', $target_format, $columns_select) === 1) {
-            $columns = array_unique(array_filter(array_map(fn($id) => $this->columnName($id), $columns_select[1])));
-        }
+		// Extract columns used in target
+		$columns = [];
+		if (preg_match_all('/{(.*?)}/i', $target_format, $columns_select) === 1) {
+			$columns = array_unique(array_filter(array_map(fn($id) => $this->columnName($id), $columns_select[1])));
+		}
 
-        // Get the mapping
-        $rows = DB::table('maj_geodata_ref')  //DB::table('maj_geodata_ref')
-            ->select($columns)
-            ->whereRaw($this->sanitizeString($source) . " LIKE " . $concat_statement)
-            ->get();
+		// Get the mapping
+		$rows = DB::table('maj_geodata_ref')  //DB::table('maj_geodata_ref')
+			->select($columns)
+			->whereRaw($this->sanitizeString($source) . " LIKE " . $concat_statement)
+			->get();
 
-        // Format the output ID
-        if ($rows->count() === 0) {
-            return null;
-        }
+		// Format the output ID
+		if ($rows->count() === 0) {
+			return null;
+		}
 
-        $mapping = (array) $rows->first();
-        if (count($columns_select) === 0) {
-            return $target_format;
-        }
+		$mapping = (array) $rows->first();
+		if (count($columns_select) === 0) {
+			return $target_format;
+		}
 
-        return str_replace(
-            array_map(fn($tag) => '{' . $tag . '}', $columns_select[1]),
-            array_map(fn($tag) => $mapping[$this->columnName($tag)] ?? '', $columns_select[1]),
-            $target_format
-        );
-    }
+		return str_replace(
+			array_map(fn($tag) => '{' . $tag . '}', $columns_select[1]),
+			array_map(fn($tag) => $mapping[$this->columnName($tag)] ?? '', $columns_select[1]),
+			$target_format
+		);
+	}
 
-    /**
-     * Get the column name for a format placeholder tag
-     *
-     * @param string $placeholder
-     * @return string
-     */
-    private function columnName(string $placeholder): string
-    {
-        return self::COLUMN_MAPPING[$placeholder] ?? '';
-    }
+	/**
+	 * Get the column name for a format placeholder tag
+	 *
+	 * @param string $placeholder
+	 * @return string
+	 */
+	private function columnName(string $placeholder): string
+	{
+		return self::COLUMN_MAPPING[$placeholder] ?? '';
+	}
 
-    /**
-     * Sanitize string for use in a SQL query.
-     *
-     * @param string $string
-     * @return string
-     */
-    private function sanitizeString(string $string): string
-    {
-        return DB::connection()->getPdo()->quote($string);
-    }
+	/**
+	 * Sanitize string for use in a SQL query.
+	 *
+	 * @param string $string
+	 * @return string
+	 */
+	private function sanitizeString(string $string): string
+	{
+		return DB::connection()->getPdo()->quote($string);
+	}
 }

app/Module/Sosa/Services/SosaStatisticsService.php

Indentation +528 added lines, -528 removed lines

@@ -29,539 +29,539 @@
  */
 class SosaStatisticsService
 {
-    private UserInterface $user;
-    private Tree $tree;
-
-    /**
-     * Constructor for Sosa Statistics Service
-     *
-     * @param Tree $tree
-     * @param UserInterface $user
-     */
-    public function __construct(Tree $tree, UserInterface $user)
-    {
-        $this->tree = $tree;
-        $this->user = $user;
-    }
-
-    /**
-     * Check if PDO support the queries used in Sosa statistics.
-     *
-     * SQLite does not support RIGHT and FULL JOIN, and POWER/SQRT require a specific compilation flag.
-     *
-     * @return bool
-     */
-    public function isPdoSupported(): bool
-    {
-        return DB::connection()->getDriverName() !== 'sqlite';
-    }
-
-    /**
-     * Return the root individual for the reference tree and user.
-     *
-     * @return Individual|NULL
-     */
-    public function rootIndividual(): ?Individual
-    {
-        $root_indi_id = $this->tree->getUserPreference($this->user, 'MAJ_SOSA_ROOT_ID');
-        return Registry::individualFactory()->make($root_indi_id, $this->tree);
-    }
-
-    /**
-     * Get the highest generation for the reference tree and user.
-     *
-     * @return int
-     */
-    public function maxGeneration(): int
-    {
-        return (int) DB::table('maj_sosa')
-            ->where('majs_gedcom_id', '=', $this->tree->id())
-            ->where('majs_user_id', '=', $this->user->id())
-            ->max('majs_gen');
-    }
-
-    /**
-     * Get the total count of individuals in the tree.
-     *
-     * @return int
-     */
-    public function totalIndividuals(): int
-    {
-        return DB::table('individuals')
-            ->where('i_file', '=', $this->tree->id())
-            ->count();
-    }
-
-    /**
-     * Get the total count of Sosa ancestors for all generations
-     *
-     * @return int
-     */
-    public function totalAncestors(): int
-    {
-        return DB::table('maj_sosa')
-            ->where('majs_gedcom_id', '=', $this->tree->id())
-            ->where('majs_user_id', '=', $this->user->id())
-            ->count();
-    }
-
-    /**
-     * Get the total count of Sosa ancestors for a generation
-     *
-     * @return int
-     */
-    public function totalAncestorsAtGeneration(int $gen): int
-    {
-        return DB::table('maj_sosa')
-            ->where('majs_gedcom_id', '=', $this->tree->id())
-            ->where('majs_user_id', '=', $this->user->id())
-            ->where('majs_gen', '=', $gen)
-            ->count();
-    }
-
-    /**
-     * Get the total count of distinct Sosa ancestors for all generations
-     *
-     * @return int
-     */
-    public function totalDistinctAncestors(): int
-    {
-        return DB::table('maj_sosa')
-            ->where('majs_gedcom_id', '=', $this->tree->id())
-            ->where('majs_user_id', '=', $this->user->id())
-            ->distinct()
-            ->count('majs_i_id');
-    }
-
-    /**
-     * Get the mean generation time, as the slope of the linear regression of birth years vs generations
-     *
-     * @return float
-     */
-    public function meanGenerationTime(): float
-    {
-        $row = DB::table('maj_sosa')
-            ->where('majs_gedcom_id', '=', $this->tree->id())
-            ->where('majs_user_id', '=', $this->user->id())
-            ->whereNotNull('majs_birth_year')
-            ->selectRaw('COUNT(majs_sosa) AS n')
-            ->selectRaw('SUM(majs_gen * majs_birth_year) AS sum_xy')
-            ->selectRaw('SUM(majs_gen) AS sum_x')
-            ->selectRaw('SUM(majs_birth_year) AS sum_y')
-            ->selectRaw('SUM(majs_gen * majs_gen) AS sum_x2')
-            ->get()->first();
-
-        $denom = $row->n * $row->sum_x2 - pow($row->sum_x, 2);
-        return ((int) $row->n === 0 || $denom === 0) ? 0 :
-            -($row->n * $row->sum_xy - $row->sum_x * $row->sum_y) / $denom;
-    }
-
-    /**
-     * Get the statistic array detailed by generation.
-     * Statistics for each generation are:
-     *  - The number of Sosa in generation
-     *  - The number of Sosa up to generation
-     *  - The number of distinct Sosa up to generation
-     *  - The year of the first birth in generation
-     *  - The year of the first estimated birth in generation
-     *  - The year of the last birth in generation
-     *  - The year of the last estimated birth in generation
-     *  - The average year of birth in generation
-     *
-     * @return array<int, array<string, int|null>> Statistics array
-     */
-    public function statisticsByGenerations(): array
-    {
-        $stats_by_gen = $this->statisticsByGenerationBasicData();
-        $cumul_stats_by_gen = $this->statisticsByGenerationCumulativeData();
-
-        $statistics_by_gen = [];
-        foreach ($stats_by_gen as $gen => $stats_gen) {
-            $statistics_by_gen[(int) $stats_gen->gen] = array(
-                'sosaCount'             =>  (int) $stats_gen->total_sosa,
-                'sosaTotalCount'        =>  (int) $cumul_stats_by_gen[$gen]->total_cumul,
-                'diffSosaTotalCount'    =>  (int) $cumul_stats_by_gen[$gen]->total_distinct_cumul,
-                'firstBirth'            =>  $stats_gen->first_year,
-                'firstEstimatedBirth'   =>  $stats_gen->first_est_year,
-                'lastBirth'             =>  $stats_gen->last_year,
-                'lastEstimatedBirth'    =>  $stats_gen->last_est_year
-            );
-        }
-
-        return $statistics_by_gen;
-    }
-
-    /**
-     * Returns the basic statistics data by generation.
-     *
-     * @return Collection<int, \stdClass>
-     */
-    private function statisticsByGenerationBasicData(): Collection
-    {
-        return DB::table('maj_sosa')
-            ->where('majs_gedcom_id', '=', $this->tree->id())
-            ->where('majs_user_id', '=', $this->user->id())
-            ->groupBy('majs_gen')
-            ->orderBy('majs_gen', 'asc')
-            ->select('majs_gen AS gen')
-            ->selectRaw('COUNT(majs_sosa) AS total_sosa')
-            ->selectRaw('MIN(majs_birth_year) AS first_year')
-            ->selectRaw('MIN(majs_birth_year_est) AS first_est_year')
-            ->selectRaw('MAX(majs_birth_year) AS last_year')
-            ->selectRaw('MAX(majs_birth_year_est) AS last_est_year')
-            ->get()->keyBy('gen');
-    }
-
-    /**
-     * Returns the cumulative statistics data by generation
-     *
-     * @return Collection<int, \stdClass>
-     */
-    private function statisticsByGenerationCumulativeData(): Collection
-    {
-        $list_gen = DB::table('maj_sosa')->select('majs_gen')->distinct()
-            ->where('majs_gedcom_id', '=', $this->tree->id())
-            ->where('majs_user_id', '=', $this->user->id());
-
-        return DB::table('maj_sosa')
-            ->joinSub($list_gen, 'list_gen', function (JoinClause $join): void {
-                $join->on('maj_sosa.majs_gen', '<=', 'list_gen.majs_gen')
-                ->where('majs_gedcom_id', '=', $this->tree->id())
-                ->where('majs_user_id', '=', $this->user->id());
-            })
-            ->groupBy('list_gen.majs_gen')
-            ->select('list_gen.majs_gen AS gen')
-            ->selectRaw('COUNT(majs_i_id) AS total_cumul')
-            ->selectRaw('COUNT(DISTINCT majs_i_id) AS total_distinct_cumul')
-            ->selectRaw('1 - COUNT(DISTINCT majs_i_id) / COUNT(majs_i_id) AS pedi_collapse_simple')
-            ->get()->keyBy('gen');
-    }
-
-    /**
-     * Returns the pedigree collapse improved calculation by generation.
-     *
-     * Format:
-     *  - key : generation
-     *  - values:
-     *      - pedi_collapse_roots : pedigree collapse of ancestor roots for the generation
-     *      - pedi_collapse_xgen : pedigree cross-generation shrinkage for the generation
-     *
-     * @return array<int, array<string, float>>
-     */
-    public function pedigreeCollapseByGenerationData(): array
-    {
-        if (!$this->isPdoSupported()) {
-            return [];
-        }
-
-        $table_prefix = DB::connection()->getTablePrefix();
-
-        $list_gen = DB::table('maj_sosa')->select('majs_gen')->distinct()
-            ->where('majs_gedcom_id', '=', $this->tree->id())
-            ->where('majs_user_id', '=', $this->user->id());
-
-        /* Compute the contributions of nodes of previous generations to the current generation */
-        $root_ancestors_contributions = DB::table('maj_sosa AS sosa')
-            ->select(['list_gen.majs_gen AS gen', 'sosa.majs_gedcom_id', 'sosa.majs_user_id'])
-            ->addSelect(['sosa.majs_i_id', 'sosa.majs_gen'])
-            ->selectRaw(
-                '(CASE ' .
-                    ' WHEN ' . $table_prefix . 'sosa_fat.majs_i_id IS NULL' .
-                    ' THEN POWER(2, ' . $table_prefix . 'list_gen.majs_gen - ' . $table_prefix . 'sosa.majs_gen - 1)' .
-                    ' ELSE 0 ' .
-                ' END)' .
-                ' + (CASE ' .
-                    ' WHEN ' . $table_prefix . 'sosa_mot.majs_i_id IS NULL' .
-                    ' THEN POWER(2, ' . $table_prefix . 'list_gen.majs_gen - ' . $table_prefix . 'sosa.majs_gen - 1)' .
-                    ' ELSE 0 ' .
-                ' END) contrib'
-            )
-            ->joinSub($list_gen, 'list_gen', function (JoinClause $join): void {
-                $join->on('sosa.majs_gen', '<', 'list_gen.majs_gen')
-                    ->where('majs_gedcom_id', '=', $this->tree->id())
-                    ->where('majs_user_id', '=', $this->user->id());
-            })
-            ->leftJoin('maj_sosa AS sosa_fat', function (JoinClause $join) use ($table_prefix): void {
-                // Link to sosa's father
-                $join->whereRaw($table_prefix . 'sosa_fat.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa')
-                    ->where('sosa_fat.majs_gedcom_id', '=', $this->tree->id())
-                    ->where('sosa_fat.majs_user_id', '=', $this->user->id());
-            })
-            ->leftJoin('maj_sosa AS sosa_mot', function (JoinClause $join) use ($table_prefix): void {
-                // Link to sosa's mother
-                $join->whereRaw($table_prefix . 'sosa_mot.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa + 1')
-                    ->where('sosa_mot.majs_gedcom_id', '=', $this->tree->id())
-                    ->where('sosa_mot.majs_user_id', '=', $this->user->id());
-            })
-            ->where('sosa.majs_gedcom_id', '=', $this->tree->id())
-            ->where('sosa.majs_user_id', '=', $this->user->id())
-            ->where(function (Builder $query): void {
-                $query->whereNull('sosa_fat.majs_i_id')
-                ->orWhereNull('sosa_mot.majs_i_id');
-            });
-
-        /* Identify nodes in the generations with ancestors who are also in the same generation.
+	private UserInterface $user;
+	private Tree $tree;
+
+	/**
+	 * Constructor for Sosa Statistics Service
+	 *
+	 * @param Tree $tree
+	 * @param UserInterface $user
+	 */
+	public function __construct(Tree $tree, UserInterface $user)
+	{
+		$this->tree = $tree;
+		$this->user = $user;
+	}
+
+	/**
+	 * Check if PDO support the queries used in Sosa statistics.
+	 *
+	 * SQLite does not support RIGHT and FULL JOIN, and POWER/SQRT require a specific compilation flag.
+	 *
+	 * @return bool
+	 */
+	public function isPdoSupported(): bool
+	{
+		return DB::connection()->getDriverName() !== 'sqlite';
+	}
+
+	/**
+	 * Return the root individual for the reference tree and user.
+	 *
+	 * @return Individual|NULL
+	 */
+	public function rootIndividual(): ?Individual
+	{
+		$root_indi_id = $this->tree->getUserPreference($this->user, 'MAJ_SOSA_ROOT_ID');
+		return Registry::individualFactory()->make($root_indi_id, $this->tree);
+	}
+
+	/**
+	 * Get the highest generation for the reference tree and user.
+	 *
+	 * @return int
+	 */
+	public function maxGeneration(): int
+	{
+		return (int) DB::table('maj_sosa')
+			->where('majs_gedcom_id', '=', $this->tree->id())
+			->where('majs_user_id', '=', $this->user->id())
+			->max('majs_gen');
+	}
+
+	/**
+	 * Get the total count of individuals in the tree.
+	 *
+	 * @return int
+	 */
+	public function totalIndividuals(): int
+	{
+		return DB::table('individuals')
+			->where('i_file', '=', $this->tree->id())
+			->count();
+	}
+
+	/**
+	 * Get the total count of Sosa ancestors for all generations
+	 *
+	 * @return int
+	 */
+	public function totalAncestors(): int
+	{
+		return DB::table('maj_sosa')
+			->where('majs_gedcom_id', '=', $this->tree->id())
+			->where('majs_user_id', '=', $this->user->id())
+			->count();
+	}
+
+	/**
+	 * Get the total count of Sosa ancestors for a generation
+	 *
+	 * @return int
+	 */
+	public function totalAncestorsAtGeneration(int $gen): int
+	{
+		return DB::table('maj_sosa')
+			->where('majs_gedcom_id', '=', $this->tree->id())
+			->where('majs_user_id', '=', $this->user->id())
+			->where('majs_gen', '=', $gen)
+			->count();
+	}
+
+	/**
+	 * Get the total count of distinct Sosa ancestors for all generations
+	 *
+	 * @return int
+	 */
+	public function totalDistinctAncestors(): int
+	{
+		return DB::table('maj_sosa')
+			->where('majs_gedcom_id', '=', $this->tree->id())
+			->where('majs_user_id', '=', $this->user->id())
+			->distinct()
+			->count('majs_i_id');
+	}
+
+	/**
+	 * Get the mean generation time, as the slope of the linear regression of birth years vs generations
+	 *
+	 * @return float
+	 */
+	public function meanGenerationTime(): float
+	{
+		$row = DB::table('maj_sosa')
+			->where('majs_gedcom_id', '=', $this->tree->id())
+			->where('majs_user_id', '=', $this->user->id())
+			->whereNotNull('majs_birth_year')
+			->selectRaw('COUNT(majs_sosa) AS n')
+			->selectRaw('SUM(majs_gen * majs_birth_year) AS sum_xy')
+			->selectRaw('SUM(majs_gen) AS sum_x')
+			->selectRaw('SUM(majs_birth_year) AS sum_y')
+			->selectRaw('SUM(majs_gen * majs_gen) AS sum_x2')
+			->get()->first();
+
+		$denom = $row->n * $row->sum_x2 - pow($row->sum_x, 2);
+		return ((int) $row->n === 0 || $denom === 0) ? 0 :
+			-($row->n * $row->sum_xy - $row->sum_x * $row->sum_y) / $denom;
+	}
+
+	/**
+	 * Get the statistic array detailed by generation.
+	 * Statistics for each generation are:
+	 *  - The number of Sosa in generation
+	 *  - The number of Sosa up to generation
+	 *  - The number of distinct Sosa up to generation
+	 *  - The year of the first birth in generation
+	 *  - The year of the first estimated birth in generation
+	 *  - The year of the last birth in generation
+	 *  - The year of the last estimated birth in generation
+	 *  - The average year of birth in generation
+	 *
+	 * @return array<int, array<string, int|null>> Statistics array
+	 */
+	public function statisticsByGenerations(): array
+	{
+		$stats_by_gen = $this->statisticsByGenerationBasicData();
+		$cumul_stats_by_gen = $this->statisticsByGenerationCumulativeData();
+
+		$statistics_by_gen = [];
+		foreach ($stats_by_gen as $gen => $stats_gen) {
+			$statistics_by_gen[(int) $stats_gen->gen] = array(
+				'sosaCount'             =>  (int) $stats_gen->total_sosa,
+				'sosaTotalCount'        =>  (int) $cumul_stats_by_gen[$gen]->total_cumul,
+				'diffSosaTotalCount'    =>  (int) $cumul_stats_by_gen[$gen]->total_distinct_cumul,
+				'firstBirth'            =>  $stats_gen->first_year,
+				'firstEstimatedBirth'   =>  $stats_gen->first_est_year,
+				'lastBirth'             =>  $stats_gen->last_year,
+				'lastEstimatedBirth'    =>  $stats_gen->last_est_year
+			);
+		}
+
+		return $statistics_by_gen;
+	}
+
+	/**
+	 * Returns the basic statistics data by generation.
+	 *
+	 * @return Collection<int, \stdClass>
+	 */
+	private function statisticsByGenerationBasicData(): Collection
+	{
+		return DB::table('maj_sosa')
+			->where('majs_gedcom_id', '=', $this->tree->id())
+			->where('majs_user_id', '=', $this->user->id())
+			->groupBy('majs_gen')
+			->orderBy('majs_gen', 'asc')
+			->select('majs_gen AS gen')
+			->selectRaw('COUNT(majs_sosa) AS total_sosa')
+			->selectRaw('MIN(majs_birth_year) AS first_year')
+			->selectRaw('MIN(majs_birth_year_est) AS first_est_year')
+			->selectRaw('MAX(majs_birth_year) AS last_year')
+			->selectRaw('MAX(majs_birth_year_est) AS last_est_year')
+			->get()->keyBy('gen');
+	}
+
+	/**
+	 * Returns the cumulative statistics data by generation
+	 *
+	 * @return Collection<int, \stdClass>
+	 */
+	private function statisticsByGenerationCumulativeData(): Collection
+	{
+		$list_gen = DB::table('maj_sosa')->select('majs_gen')->distinct()
+			->where('majs_gedcom_id', '=', $this->tree->id())
+			->where('majs_user_id', '=', $this->user->id());
+
+		return DB::table('maj_sosa')
+			->joinSub($list_gen, 'list_gen', function (JoinClause $join): void {
+				$join->on('maj_sosa.majs_gen', '<=', 'list_gen.majs_gen')
+				->where('majs_gedcom_id', '=', $this->tree->id())
+				->where('majs_user_id', '=', $this->user->id());
+			})
+			->groupBy('list_gen.majs_gen')
+			->select('list_gen.majs_gen AS gen')
+			->selectRaw('COUNT(majs_i_id) AS total_cumul')
+			->selectRaw('COUNT(DISTINCT majs_i_id) AS total_distinct_cumul')
+			->selectRaw('1 - COUNT(DISTINCT majs_i_id) / COUNT(majs_i_id) AS pedi_collapse_simple')
+			->get()->keyBy('gen');
+	}
+
+	/**
+	 * Returns the pedigree collapse improved calculation by generation.
+	 *
+	 * Format:
+	 *  - key : generation
+	 *  - values:
+	 *      - pedi_collapse_roots : pedigree collapse of ancestor roots for the generation
+	 *      - pedi_collapse_xgen : pedigree cross-generation shrinkage for the generation
+	 *
+	 * @return array<int, array<string, float>>
+	 */
+	public function pedigreeCollapseByGenerationData(): array
+	{
+		if (!$this->isPdoSupported()) {
+			return [];
+		}
+
+		$table_prefix = DB::connection()->getTablePrefix();
+
+		$list_gen = DB::table('maj_sosa')->select('majs_gen')->distinct()
+			->where('majs_gedcom_id', '=', $this->tree->id())
+			->where('majs_user_id', '=', $this->user->id());
+
+		/* Compute the contributions of nodes of previous generations to the current generation */
+		$root_ancestors_contributions = DB::table('maj_sosa AS sosa')
+			->select(['list_gen.majs_gen AS gen', 'sosa.majs_gedcom_id', 'sosa.majs_user_id'])
+			->addSelect(['sosa.majs_i_id', 'sosa.majs_gen'])
+			->selectRaw(
+				'(CASE ' .
+					' WHEN ' . $table_prefix . 'sosa_fat.majs_i_id IS NULL' .
+					' THEN POWER(2, ' . $table_prefix . 'list_gen.majs_gen - ' . $table_prefix . 'sosa.majs_gen - 1)' .
+					' ELSE 0 ' .
+				' END)' .
+				' + (CASE ' .
+					' WHEN ' . $table_prefix . 'sosa_mot.majs_i_id IS NULL' .
+					' THEN POWER(2, ' . $table_prefix . 'list_gen.majs_gen - ' . $table_prefix . 'sosa.majs_gen - 1)' .
+					' ELSE 0 ' .
+				' END) contrib'
+			)
+			->joinSub($list_gen, 'list_gen', function (JoinClause $join): void {
+				$join->on('sosa.majs_gen', '<', 'list_gen.majs_gen')
+					->where('majs_gedcom_id', '=', $this->tree->id())
+					->where('majs_user_id', '=', $this->user->id());
+			})
+			->leftJoin('maj_sosa AS sosa_fat', function (JoinClause $join) use ($table_prefix): void {
+				// Link to sosa's father
+				$join->whereRaw($table_prefix . 'sosa_fat.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa')
+					->where('sosa_fat.majs_gedcom_id', '=', $this->tree->id())
+					->where('sosa_fat.majs_user_id', '=', $this->user->id());
+			})
+			->leftJoin('maj_sosa AS sosa_mot', function (JoinClause $join) use ($table_prefix): void {
+				// Link to sosa's mother
+				$join->whereRaw($table_prefix . 'sosa_mot.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa + 1')
+					->where('sosa_mot.majs_gedcom_id', '=', $this->tree->id())
+					->where('sosa_mot.majs_user_id', '=', $this->user->id());
+			})
+			->where('sosa.majs_gedcom_id', '=', $this->tree->id())
+			->where('sosa.majs_user_id', '=', $this->user->id())
+			->where(function (Builder $query): void {
+				$query->whereNull('sosa_fat.majs_i_id')
+				->orWhereNull('sosa_mot.majs_i_id');
+			});
+
+		/* Identify nodes in the generations with ancestors who are also in the same generation.
          * This is the vertical/generational collapse that will reduce the number or roots.
          */
-        $non_roots_ancestors = DB::table('maj_sosa AS sosa')
-            ->select(['sosa.majs_gen', 'sosa.majs_gedcom_id', 'sosa.majs_user_id', 'sosa.majs_sosa'])
-            ->selectRaw('MAX(' . $table_prefix . 'sosa_anc.majs_sosa) - MIN(' . $table_prefix . 'sosa_anc.majs_sosa)' .
-                ' AS full_ancestors')
-            ->join('maj_sosa AS sosa_anc', function (JoinClause $join) use ($table_prefix): void {
-                $join->on('sosa.majs_gen', '<', 'sosa_anc.majs_gen')
-                    ->whereRaw('FLOOR(' . $table_prefix . 'sosa_anc.majs_sosa / POWER(2, ' .
-                        $table_prefix . 'sosa_anc.majs_gen - ' . $table_prefix . 'sosa.majs_gen)) = ' .
-                        $table_prefix . 'sosa.majs_sosa')
-                    ->where('sosa_anc.majs_gedcom_id', '=', $this->tree->id())
-                    ->where('sosa_anc.majs_user_id', '=', $this->user->id());
-            })
-            ->where('sosa.majs_gedcom_id', '=', $this->tree->id())
-            ->where('sosa.majs_user_id', '=', $this->user->id())
-            ->whereIn('sosa_anc.majs_i_id', function (Builder $query) use ($table_prefix): void {
-                $query->from('maj_sosa AS sosa_gen')
-                ->select('sosa_gen.majs_i_id')->distinct()
-                ->where('sosa_gen.majs_gedcom_id', '=', $this->tree->id())
-                ->where('sosa_gen.majs_user_id', '=', $this->user->id())
-                ->whereRaw($table_prefix . 'sosa_gen.majs_gen = ' . $table_prefix . 'sosa.majs_gen');
-            })
-            ->groupBy(['sosa.majs_gen', 'sosa.majs_gedcom_id', 'sosa.majs_user_id',
-                'sosa.majs_sosa', 'sosa.majs_i_id']);
-
-        /* Compute the contribution of the nodes in the generation,
+		$non_roots_ancestors = DB::table('maj_sosa AS sosa')
+			->select(['sosa.majs_gen', 'sosa.majs_gedcom_id', 'sosa.majs_user_id', 'sosa.majs_sosa'])
+			->selectRaw('MAX(' . $table_prefix . 'sosa_anc.majs_sosa) - MIN(' . $table_prefix . 'sosa_anc.majs_sosa)' .
+				' AS full_ancestors')
+			->join('maj_sosa AS sosa_anc', function (JoinClause $join) use ($table_prefix): void {
+				$join->on('sosa.majs_gen', '<', 'sosa_anc.majs_gen')
+					->whereRaw('FLOOR(' . $table_prefix . 'sosa_anc.majs_sosa / POWER(2, ' .
+						$table_prefix . 'sosa_anc.majs_gen - ' . $table_prefix . 'sosa.majs_gen)) = ' .
+						$table_prefix . 'sosa.majs_sosa')
+					->where('sosa_anc.majs_gedcom_id', '=', $this->tree->id())
+					->where('sosa_anc.majs_user_id', '=', $this->user->id());
+			})
+			->where('sosa.majs_gedcom_id', '=', $this->tree->id())
+			->where('sosa.majs_user_id', '=', $this->user->id())
+			->whereIn('sosa_anc.majs_i_id', function (Builder $query) use ($table_prefix): void {
+				$query->from('maj_sosa AS sosa_gen')
+				->select('sosa_gen.majs_i_id')->distinct()
+				->where('sosa_gen.majs_gedcom_id', '=', $this->tree->id())
+				->where('sosa_gen.majs_user_id', '=', $this->user->id())
+				->whereRaw($table_prefix . 'sosa_gen.majs_gen = ' . $table_prefix . 'sosa.majs_gen');
+			})
+			->groupBy(['sosa.majs_gen', 'sosa.majs_gedcom_id', 'sosa.majs_user_id',
+				'sosa.majs_sosa', 'sosa.majs_i_id']);
+
+		/* Compute the contribution of the nodes in the generation,
          * excluding the nodes with ancestors in the same generation.
          * Nodes with a parent missing are not excluded to cater for the missing one.
          */
-        $known_ancestors_contributions = DB::table('maj_sosa AS sosa')
-            ->select(['sosa.majs_gen AS gen', 'sosa.majs_gedcom_id', 'sosa.majs_user_id'])
-            ->addSelect(['sosa.majs_i_id', 'sosa.majs_gen'])
-            ->selectRaw('1 AS contrib')
-            ->leftJoinSub($non_roots_ancestors, 'nonroot', function (JoinClause $join): void {
-                $join->on('sosa.majs_gen', '=', 'nonroot.majs_gen')
-                    ->on('sosa.majs_sosa', '=', 'nonroot.majs_sosa')
-                    ->where('nonroot.full_ancestors', '>', 0)
-                    ->where('nonroot.majs_gedcom_id', '=', $this->tree->id())
-                    ->where('nonroot.majs_user_id', '=', $this->user->id());
-            })
-            ->where('sosa.majs_gedcom_id', '=', $this->tree->id())
-            ->where('sosa.majs_user_id', '=', $this->user->id())
-            ->whereNull('nonroot.majs_sosa');
-
-        /* Aggregate both queries, and calculate the sum of contributions by generation roots.
+		$known_ancestors_contributions = DB::table('maj_sosa AS sosa')
+			->select(['sosa.majs_gen AS gen', 'sosa.majs_gedcom_id', 'sosa.majs_user_id'])
+			->addSelect(['sosa.majs_i_id', 'sosa.majs_gen'])
+			->selectRaw('1 AS contrib')
+			->leftJoinSub($non_roots_ancestors, 'nonroot', function (JoinClause $join): void {
+				$join->on('sosa.majs_gen', '=', 'nonroot.majs_gen')
+					->on('sosa.majs_sosa', '=', 'nonroot.majs_sosa')
+					->where('nonroot.full_ancestors', '>', 0)
+					->where('nonroot.majs_gedcom_id', '=', $this->tree->id())
+					->where('nonroot.majs_user_id', '=', $this->user->id());
+			})
+			->where('sosa.majs_gedcom_id', '=', $this->tree->id())
+			->where('sosa.majs_user_id', '=', $this->user->id())
+			->whereNull('nonroot.majs_sosa');
+
+		/* Aggregate both queries, and calculate the sum of contributions by generation roots.
          * Exclude as well nodes that already appear in lower generations, as their branche has already been reduced.
          */
-        $ancestors_contributions_sum = DB::connection()->query()
-            ->fromSub($root_ancestors_contributions->unionAll($known_ancestors_contributions), 'sosa_contribs')
-            ->select(['sosa_contribs.gen', 'sosa_contribs.majs_gedcom_id', 'sosa_contribs.majs_user_id'])
-            ->addSelect(['sosa_contribs.majs_i_id', 'sosa_contribs.contrib'])
-            ->selectRaw('COUNT(' . $table_prefix . 'sosa_contribs.majs_i_id) * ' .
-                $table_prefix . 'sosa_contribs.contrib AS totalContrib')
-            ->leftJoin('maj_sosa AS sosa_low', function (JoinClause $join): void {
-                $join->on('sosa_low.majs_gen', '<', 'sosa_contribs.majs_gen')
-                    ->on('sosa_low.majs_i_id', '=', 'sosa_contribs.majs_i_id')
-                    ->where('sosa_low.majs_gedcom_id', '=', $this->tree->id())
-                    ->where('sosa_low.majs_user_id', '=', $this->user->id());
-            })
-            ->whereNull('sosa_low.majs_sosa')
-            ->groupBy(['sosa_contribs.gen', 'sosa_contribs.majs_gedcom_id', 'sosa_contribs.majs_user_id',
-                'sosa_contribs.majs_i_id', 'sosa_contribs.contrib']);
-
-        // Aggregate all generation roots to compute root and generation pedigree collapse
-        $pedi_collapse_coll = DB::connection()->query()->fromSub($ancestors_contributions_sum, 'sosa_contribs_sum')
-            ->select(['gen'])->selectRaw('SUM(contrib), SUM(totalContrib)')
-            ->selectRaw('1 - SUM(contrib) / SUM(totalContrib) AS pedi_collapse_roots')  // Roots/horizontal collapse
-            ->selectRaw('1 - SUM(totalContrib) / POWER ( 2, gen - 1) AS pedi_collapse_xgen') // Crossgeneration collapse
-            ->groupBy(['gen', 'majs_gedcom_id', 'majs_user_id'])
-            ->orderBy('gen')
-            ->get();
-
-        $pedi_collapse_by_gen = [];
-        foreach ($pedi_collapse_coll as $collapse_gen) {
-            $pedi_collapse_by_gen[(int) $collapse_gen->gen] = array(
-                'pedi_collapse_roots'   =>  (float) $collapse_gen->pedi_collapse_roots,
-                'pedi_collapse_xgen'   =>  (float) $collapse_gen->pedi_collapse_xgen
-            );
-        }
-        return $pedi_collapse_by_gen;
-    }
-
-    /**
-     * Return a Collection of the mean generation depth and deviation for all Sosa ancestors at a given generation.
-     * Sosa 1 is of generation 1.
-     *
-     * Mean generation depth and deviation are calculated based on the works of Marie-Héléne Cazes and Pierre Cazes,
-     * published in Population (French Edition), Vol. 51, No. 1 (Jan. - Feb., 1996), pp. 117-140
-     * http://kintip.net/index.php?option=com_jdownloads&task=download.send&id=9&catid=4&m=0
-     *
-     * Format:
-     *  - key : sosa number of the ancestor
-     *  - values:
-     *      - root_ancestor_id : ID of the ancestor
-     *      - mean_gen_depth : Mean generation depth
-     *      - stddev_gen_depth : Standard deviation of generation depth
-     *
-     * @param int $gen Sosa generation
-     * @return Collection<int, \stdClass>
-     */
-    public function generationDepthStatsAtGeneration(int $gen): Collection
-    {
-        if (!$this->isPdoSupported()) {
-            return collect();
-        }
-
-        $table_prefix = DB::connection()->getTablePrefix();
-        $missing_ancestors_by_gen = DB::table('maj_sosa AS sosa')
-            ->selectRaw($table_prefix . 'sosa.majs_gen - ? AS majs_gen_norm', [$gen])
-            ->selectRaw('FLOOR(((' . $table_prefix . 'sosa.majs_sosa / POW(2, ' . $table_prefix . 'sosa.majs_gen -1 )) - 1) * POWER(2, ? - 1)) + POWER(2, ? - 1) AS root_ancestor', [$gen, $gen])   //@phpcs:ignore Generic.Files.LineLength.TooLong
-            ->selectRaw('SUM(CASE WHEN ' . $table_prefix . 'sosa_fat.majs_i_id IS NULL AND ' . $table_prefix . 'sosa_mot.majs_i_id IS NULL THEN 1 ELSE 0 END) AS full_root_count')  //@phpcs:ignore Generic.Files.LineLength.TooLong
-            ->selectRaw('SUM(CASE WHEN ' . $table_prefix . 'sosa_fat.majs_i_id IS NULL AND ' . $table_prefix . 'sosa_mot.majs_i_id IS NULL THEN 0 ELSE 1 END) As semi_root_count')  //@phpcs:ignore Generic.Files.LineLength.TooLong
-            ->leftJoin('maj_sosa AS sosa_fat', function (JoinClause $join) use ($table_prefix): void {
-                // Link to sosa's father
-                $join->whereRaw($table_prefix . 'sosa_fat.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa')
-                ->where('sosa_fat.majs_gedcom_id', '=', $this->tree->id())
-                ->where('sosa_fat.majs_user_id', '=', $this->user->id());
-            })
-            ->leftJoin('maj_sosa AS sosa_mot', function (JoinClause $join) use ($table_prefix): void {
-                // Link to sosa's mother
-                $join->whereRaw($table_prefix . 'sosa_mot.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa + 1')
-                ->where('sosa_mot.majs_gedcom_id', '=', $this->tree->id())
-                ->where('sosa_mot.majs_user_id', '=', $this->user->id());
-            })
-            ->where('sosa.majs_gedcom_id', '=', $this->tree->id())
-            ->where('sosa.majs_user_id', '=', $this->user->id())
-            ->where('sosa.majs_gen', '>=', $gen)
-            ->where(function (Builder $query): void {
-                $query->whereNull('sosa_fat.majs_i_id')
-                    ->orWhereNull('sosa_mot.majs_i_id');
-            })
-            ->groupBy(['sosa.majs_gen', 'root_ancestor']);
-
-        return DB::table('maj_sosa AS sosa_list')
-            ->select(['stats_by_gen.root_ancestor AS root_ancestor_sosa', 'sosa_list.majs_i_id as root_ancestor_id'])
-            ->selectRaw('1 + SUM( (majs_gen_norm) * ( 2 * full_root_count + semi_root_count) /  (2 * POWER(2, majs_gen_norm))) AS mean_gen_depth')  //@phpcs:ignore Generic.Files.LineLength.TooLong
-            ->selectRaw(' SQRT(' .
-                '   SUM(POWER(majs_gen_norm, 2) * ( 2 * full_root_count + semi_root_count) /  (2 * POWER(2, majs_gen_norm)))' .     //@phpcs:ignore Generic.Files.LineLength.TooLong
-                '   - POWER( SUM( (majs_gen_norm) * ( 2 * full_root_count + semi_root_count) /  (2 * POWER(2, majs_gen_norm))), 2)' .       //@phpcs:ignore Generic.Files.LineLength.TooLong
-                ' ) AS stddev_gen_depth')
-            ->joinSub($missing_ancestors_by_gen, 'stats_by_gen', function (JoinClause $join): void {
-                $join->on('sosa_list.majs_sosa', '=', 'stats_by_gen.root_ancestor')
-                    ->where('sosa_list.majs_gedcom_id', '=', $this->tree->id())
-                    ->where('sosa_list.majs_user_id', '=', $this->user->id());
-            })
-            ->groupBy(['stats_by_gen.root_ancestor', 'sosa_list.majs_i_id'])
-            ->orderBy('stats_by_gen.root_ancestor')
-            ->get()->keyBy('root_ancestor_sosa');
-    }
-
-    /**
-     * Return a collection of the most duplicated root Sosa ancestors.
-     * The number of ancestors to return is limited by the parameter $limit.
-     * If several individuals are tied when reaching the limit, none of them are returned,
-     * which means that there can be less individuals returned than requested.
-     *
-     * Format:
-     *  - value:
-     *      - sosa_i_id : sosa individual
-     *      - sosa_count: number of duplications of the ancestor (e.g. 3 if it appears 3 times)
-     *
-     * @param int $limit
-     * @return Collection<\stdClass>
-     */
-    public function topMultipleAncestorsWithNoTies(int $limit): Collection
-    {
-        $table_prefix = DB::connection()->getTablePrefix();
-        $multiple_ancestors = DB::table('maj_sosa AS sosa')
-            ->select('sosa.majs_i_id AS sosa_i_id')
-            ->selectRaw('COUNT(' . $table_prefix . 'sosa.majs_sosa) AS sosa_count')
-            ->leftJoin('maj_sosa AS sosa_fat', function (JoinClause $join) use ($table_prefix): void {
-                // Link to sosa's father
-                $join->whereRaw($table_prefix . 'sosa_fat.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa')
-                    ->where('sosa_fat.majs_gedcom_id', '=', $this->tree->id())
-                    ->where('sosa_fat.majs_user_id', '=', $this->user->id());
-            })
-            ->leftJoin('maj_sosa AS sosa_mot', function (JoinClause $join) use ($table_prefix): void {
-                // Link to sosa's mother
-                $join->whereRaw($table_prefix . 'sosa_mot.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa + 1')
-                ->where('sosa_mot.majs_gedcom_id', '=', $this->tree->id())
-                ->where('sosa_mot.majs_user_id', '=', $this->user->id());
-            })
-            ->where('sosa.majs_gedcom_id', '=', $this->tree->id())
-            ->where('sosa.majs_user_id', '=', $this->user->id())
-            ->whereNull('sosa_fat.majs_sosa')   // We keep only root individuals, i.e. those with no father or mother
-            ->whereNull('sosa_mot.majs_sosa')
-            ->groupBy('sosa.majs_i_id')
-            ->havingRaw('COUNT(' . $table_prefix . 'sosa.majs_sosa) > 1')    // Limit to the duplicate sosas.
-            ->orderByRaw('COUNT(' . $table_prefix . 'sosa.majs_sosa) DESC, MIN(' . $table_prefix . 'sosa.majs_sosa) ASC')   //@phpcs:ignore Generic.Files.LineLength.TooLong
-            ->limit($limit + 1)     // We want to select one more than required, for ties
-            ->get();
-
-        if ($multiple_ancestors->count() > $limit) {
-            $last_count = $multiple_ancestors->last()->sosa_count;
-            $multiple_ancestors = $multiple_ancestors->reject(
-                fn (stdClass $element): bool => $element->sosa_count ===  $last_count
-            );
-        }
-        return $multiple_ancestors;
-    }
-
-    /**
-     * Return a computed array of statistics about the dispersion of ancestors across the ancestors
-     * at a specified generation.
-     *
-     * Format:
-     *  - key : rank of the ancestor in generation G for which exclusive ancestors have been found
-     *          For instance 3 represent the maternal grand father
-     *          0 is used for shared ancestors
-     *  - values:
-     *      - branches: same as key
-     *      - majs_i_id: xref of the ancestor at rank key in generation G, or null for shared ancestors
-     *      - count_indi: number of ancestors exclusively in the ancestors of the ancestor at rank key
-     *
-     * For instance a result at generation 3 could be :
-     * [
-     *  0 => { branches: 0, majs_i_id: X1, count_indi: 12 } -> 12 ancestors are shared by the grand-parents
-     *  1 => { branches: 1, majs_i_id: X2, count_indi: 32 } -> 32 ancestors are exclusive to the paternal grand-father
-     *  2 => { branches: 2, majs_i_id: X3, count_indi: 25 } -> 25 ancestors are exclusive to the paternal grand-mother
-     *  3 => { branches: 3, majs_i_id: X4, count_indi: 12 } -> 12 ancestors are exclusive to the maternal grand-father
-     *  4 => { branches: 4, majs_i_id: X5, count_indi: 30 } -> 30 ancestors are exclusive to the maternal grand-mother
-     * ]
-     *
-     * @param int $gen
-     * @return Collection<int, \stdClass>
-     */
-    public function ancestorsDispersionForGeneration(int $gen): Collection
-    {
-        if (!$this->isPdoSupported()) {
-            return collect();
-        }
-
-        $ancestors_branches = DB::table('maj_sosa')
-            ->select('majs_i_id AS i_id')
-            ->selectRaw('FLOOR(majs_sosa / POW(2, (majs_gen - ?))) - POW(2, ? -1) + 1 AS branch', [$gen, $gen])
-            ->where('majs_gedcom_id', '=', $this->tree->id())
-            ->where('majs_user_id', '=', $this->user->id())
-            ->where('majs_gen', '>=', $gen)
-            ->groupBy('majs_i_id', 'branch');
-
-        $consolidated_ancestors_branches = DB::table('maj_sosa')
-            ->fromSub($ancestors_branches, 'indi_branch')
-            ->select('i_id')
-            ->selectRaw('CASE WHEN COUNT(branch) > 1 THEN 0 ELSE MIN(branch) END AS branches')
-            ->groupBy('i_id');
-
-        return DB::table('maj_sosa')
-            ->rightJoinSub(
-                $consolidated_ancestors_branches,
-                'indi_branch_consolidated',
-                function (JoinClause $join) use ($gen): void {
-                    $join->where('maj_sosa.majs_gedcom_id', '=', $this->tree->id())
-                        ->where('maj_sosa.majs_user_id', '=', $this->user->id())
-                        ->where('branches', '>', 0)
-                        ->whereRaw('majs_sosa = POW(2, ? - 1) + branches - 1', [$gen]);
-                }
-            )
-            ->select(['branches', 'majs_i_id'])
-            ->selectRaw('COUNT(i_id) AS count_indi')
-            ->groupBy(['branches', 'majs_i_id'])
-            ->get()->keyBy('branches');
-    }
+		$ancestors_contributions_sum = DB::connection()->query()
+			->fromSub($root_ancestors_contributions->unionAll($known_ancestors_contributions), 'sosa_contribs')
+			->select(['sosa_contribs.gen', 'sosa_contribs.majs_gedcom_id', 'sosa_contribs.majs_user_id'])
+			->addSelect(['sosa_contribs.majs_i_id', 'sosa_contribs.contrib'])
+			->selectRaw('COUNT(' . $table_prefix . 'sosa_contribs.majs_i_id) * ' .
+				$table_prefix . 'sosa_contribs.contrib AS totalContrib')
+			->leftJoin('maj_sosa AS sosa_low', function (JoinClause $join): void {
+				$join->on('sosa_low.majs_gen', '<', 'sosa_contribs.majs_gen')
+					->on('sosa_low.majs_i_id', '=', 'sosa_contribs.majs_i_id')
+					->where('sosa_low.majs_gedcom_id', '=', $this->tree->id())
+					->where('sosa_low.majs_user_id', '=', $this->user->id());
+			})
+			->whereNull('sosa_low.majs_sosa')
+			->groupBy(['sosa_contribs.gen', 'sosa_contribs.majs_gedcom_id', 'sosa_contribs.majs_user_id',
+				'sosa_contribs.majs_i_id', 'sosa_contribs.contrib']);
+
+		// Aggregate all generation roots to compute root and generation pedigree collapse
+		$pedi_collapse_coll = DB::connection()->query()->fromSub($ancestors_contributions_sum, 'sosa_contribs_sum')
+			->select(['gen'])->selectRaw('SUM(contrib), SUM(totalContrib)')
+			->selectRaw('1 - SUM(contrib) / SUM(totalContrib) AS pedi_collapse_roots')  // Roots/horizontal collapse
+			->selectRaw('1 - SUM(totalContrib) / POWER ( 2, gen - 1) AS pedi_collapse_xgen') // Crossgeneration collapse
+			->groupBy(['gen', 'majs_gedcom_id', 'majs_user_id'])
+			->orderBy('gen')
+			->get();
+
+		$pedi_collapse_by_gen = [];
+		foreach ($pedi_collapse_coll as $collapse_gen) {
+			$pedi_collapse_by_gen[(int) $collapse_gen->gen] = array(
+				'pedi_collapse_roots'   =>  (float) $collapse_gen->pedi_collapse_roots,
+				'pedi_collapse_xgen'   =>  (float) $collapse_gen->pedi_collapse_xgen
+			);
+		}
+		return $pedi_collapse_by_gen;
+	}
+
+	/**
+	 * Return a Collection of the mean generation depth and deviation for all Sosa ancestors at a given generation.
+	 * Sosa 1 is of generation 1.
+	 *
+	 * Mean generation depth and deviation are calculated based on the works of Marie-Héléne Cazes and Pierre Cazes,
+	 * published in Population (French Edition), Vol. 51, No. 1 (Jan. - Feb., 1996), pp. 117-140
+	 * http://kintip.net/index.php?option=com_jdownloads&task=download.send&id=9&catid=4&m=0
+	 *
+	 * Format:
+	 *  - key : sosa number of the ancestor
+	 *  - values:
+	 *      - root_ancestor_id : ID of the ancestor
+	 *      - mean_gen_depth : Mean generation depth
+	 *      - stddev_gen_depth : Standard deviation of generation depth
+	 *
+	 * @param int $gen Sosa generation
+	 * @return Collection<int, \stdClass>
+	 */
+	public function generationDepthStatsAtGeneration(int $gen): Collection
+	{
+		if (!$this->isPdoSupported()) {
+			return collect();
+		}
+
+		$table_prefix = DB::connection()->getTablePrefix();
+		$missing_ancestors_by_gen = DB::table('maj_sosa AS sosa')
+			->selectRaw($table_prefix . 'sosa.majs_gen - ? AS majs_gen_norm', [$gen])
+			->selectRaw('FLOOR(((' . $table_prefix . 'sosa.majs_sosa / POW(2, ' . $table_prefix . 'sosa.majs_gen -1 )) - 1) * POWER(2, ? - 1)) + POWER(2, ? - 1) AS root_ancestor', [$gen, $gen])   //@phpcs:ignore Generic.Files.LineLength.TooLong
+			->selectRaw('SUM(CASE WHEN ' . $table_prefix . 'sosa_fat.majs_i_id IS NULL AND ' . $table_prefix . 'sosa_mot.majs_i_id IS NULL THEN 1 ELSE 0 END) AS full_root_count')  //@phpcs:ignore Generic.Files.LineLength.TooLong
+			->selectRaw('SUM(CASE WHEN ' . $table_prefix . 'sosa_fat.majs_i_id IS NULL AND ' . $table_prefix . 'sosa_mot.majs_i_id IS NULL THEN 0 ELSE 1 END) As semi_root_count')  //@phpcs:ignore Generic.Files.LineLength.TooLong
+			->leftJoin('maj_sosa AS sosa_fat', function (JoinClause $join) use ($table_prefix): void {
+				// Link to sosa's father
+				$join->whereRaw($table_prefix . 'sosa_fat.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa')
+				->where('sosa_fat.majs_gedcom_id', '=', $this->tree->id())
+				->where('sosa_fat.majs_user_id', '=', $this->user->id());
+			})
+			->leftJoin('maj_sosa AS sosa_mot', function (JoinClause $join) use ($table_prefix): void {
+				// Link to sosa's mother
+				$join->whereRaw($table_prefix . 'sosa_mot.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa + 1')
+				->where('sosa_mot.majs_gedcom_id', '=', $this->tree->id())
+				->where('sosa_mot.majs_user_id', '=', $this->user->id());
+			})
+			->where('sosa.majs_gedcom_id', '=', $this->tree->id())
+			->where('sosa.majs_user_id', '=', $this->user->id())
+			->where('sosa.majs_gen', '>=', $gen)
+			->where(function (Builder $query): void {
+				$query->whereNull('sosa_fat.majs_i_id')
+					->orWhereNull('sosa_mot.majs_i_id');
+			})
+			->groupBy(['sosa.majs_gen', 'root_ancestor']);
+
+		return DB::table('maj_sosa AS sosa_list')
+			->select(['stats_by_gen.root_ancestor AS root_ancestor_sosa', 'sosa_list.majs_i_id as root_ancestor_id'])
+			->selectRaw('1 + SUM( (majs_gen_norm) * ( 2 * full_root_count + semi_root_count) /  (2 * POWER(2, majs_gen_norm))) AS mean_gen_depth')  //@phpcs:ignore Generic.Files.LineLength.TooLong
+			->selectRaw(' SQRT(' .
+				'   SUM(POWER(majs_gen_norm, 2) * ( 2 * full_root_count + semi_root_count) /  (2 * POWER(2, majs_gen_norm)))' .     //@phpcs:ignore Generic.Files.LineLength.TooLong
+				'   - POWER( SUM( (majs_gen_norm) * ( 2 * full_root_count + semi_root_count) /  (2 * POWER(2, majs_gen_norm))), 2)' .       //@phpcs:ignore Generic.Files.LineLength.TooLong
+				' ) AS stddev_gen_depth')
+			->joinSub($missing_ancestors_by_gen, 'stats_by_gen', function (JoinClause $join): void {
+				$join->on('sosa_list.majs_sosa', '=', 'stats_by_gen.root_ancestor')
+					->where('sosa_list.majs_gedcom_id', '=', $this->tree->id())
+					->where('sosa_list.majs_user_id', '=', $this->user->id());
+			})
+			->groupBy(['stats_by_gen.root_ancestor', 'sosa_list.majs_i_id'])
+			->orderBy('stats_by_gen.root_ancestor')
+			->get()->keyBy('root_ancestor_sosa');
+	}
+
+	/**
+	 * Return a collection of the most duplicated root Sosa ancestors.
+	 * The number of ancestors to return is limited by the parameter $limit.
+	 * If several individuals are tied when reaching the limit, none of them are returned,
+	 * which means that there can be less individuals returned than requested.
+	 *
+	 * Format:
+	 *  - value:
+	 *      - sosa_i_id : sosa individual
+	 *      - sosa_count: number of duplications of the ancestor (e.g. 3 if it appears 3 times)
+	 *
+	 * @param int $limit
+	 * @return Collection<\stdClass>
+	 */
+	public function topMultipleAncestorsWithNoTies(int $limit): Collection
+	{
+		$table_prefix = DB::connection()->getTablePrefix();
+		$multiple_ancestors = DB::table('maj_sosa AS sosa')
+			->select('sosa.majs_i_id AS sosa_i_id')
+			->selectRaw('COUNT(' . $table_prefix . 'sosa.majs_sosa) AS sosa_count')
+			->leftJoin('maj_sosa AS sosa_fat', function (JoinClause $join) use ($table_prefix): void {
+				// Link to sosa's father
+				$join->whereRaw($table_prefix . 'sosa_fat.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa')
+					->where('sosa_fat.majs_gedcom_id', '=', $this->tree->id())
+					->where('sosa_fat.majs_user_id', '=', $this->user->id());
+			})
+			->leftJoin('maj_sosa AS sosa_mot', function (JoinClause $join) use ($table_prefix): void {
+				// Link to sosa's mother
+				$join->whereRaw($table_prefix . 'sosa_mot.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa + 1')
+				->where('sosa_mot.majs_gedcom_id', '=', $this->tree->id())
+				->where('sosa_mot.majs_user_id', '=', $this->user->id());
+			})
+			->where('sosa.majs_gedcom_id', '=', $this->tree->id())
+			->where('sosa.majs_user_id', '=', $this->user->id())
+			->whereNull('sosa_fat.majs_sosa')   // We keep only root individuals, i.e. those with no father or mother
+			->whereNull('sosa_mot.majs_sosa')
+			->groupBy('sosa.majs_i_id')
+			->havingRaw('COUNT(' . $table_prefix . 'sosa.majs_sosa) > 1')    // Limit to the duplicate sosas.
+			->orderByRaw('COUNT(' . $table_prefix . 'sosa.majs_sosa) DESC, MIN(' . $table_prefix . 'sosa.majs_sosa) ASC')   //@phpcs:ignore Generic.Files.LineLength.TooLong
+			->limit($limit + 1)     // We want to select one more than required, for ties
+			->get();
+
+		if ($multiple_ancestors->count() > $limit) {
+			$last_count = $multiple_ancestors->last()->sosa_count;
+			$multiple_ancestors = $multiple_ancestors->reject(
+				fn (stdClass $element): bool => $element->sosa_count ===  $last_count
+			);
+		}
+		return $multiple_ancestors;
+	}
+
+	/**
+	 * Return a computed array of statistics about the dispersion of ancestors across the ancestors
+	 * at a specified generation.
+	 *
+	 * Format:
+	 *  - key : rank of the ancestor in generation G for which exclusive ancestors have been found
+	 *          For instance 3 represent the maternal grand father
+	 *          0 is used for shared ancestors
+	 *  - values:
+	 *      - branches: same as key
+	 *      - majs_i_id: xref of the ancestor at rank key in generation G, or null for shared ancestors
+	 *      - count_indi: number of ancestors exclusively in the ancestors of the ancestor at rank key
+	 *
+	 * For instance a result at generation 3 could be :
+	 * [
+	 *  0 => { branches: 0, majs_i_id: X1, count_indi: 12 } -> 12 ancestors are shared by the grand-parents
+	 *  1 => { branches: 1, majs_i_id: X2, count_indi: 32 } -> 32 ancestors are exclusive to the paternal grand-father
+	 *  2 => { branches: 2, majs_i_id: X3, count_indi: 25 } -> 25 ancestors are exclusive to the paternal grand-mother
+	 *  3 => { branches: 3, majs_i_id: X4, count_indi: 12 } -> 12 ancestors are exclusive to the maternal grand-father
+	 *  4 => { branches: 4, majs_i_id: X5, count_indi: 30 } -> 30 ancestors are exclusive to the maternal grand-mother
+	 * ]
+	 *
+	 * @param int $gen
+	 * @return Collection<int, \stdClass>
+	 */
+	public function ancestorsDispersionForGeneration(int $gen): Collection
+	{
+		if (!$this->isPdoSupported()) {
+			return collect();
+		}
+
+		$ancestors_branches = DB::table('maj_sosa')
+			->select('majs_i_id AS i_id')
+			->selectRaw('FLOOR(majs_sosa / POW(2, (majs_gen - ?))) - POW(2, ? -1) + 1 AS branch', [$gen, $gen])
+			->where('majs_gedcom_id', '=', $this->tree->id())
+			->where('majs_user_id', '=', $this->user->id())
+			->where('majs_gen', '>=', $gen)
+			->groupBy('majs_i_id', 'branch');
+
+		$consolidated_ancestors_branches = DB::table('maj_sosa')
+			->fromSub($ancestors_branches, 'indi_branch')
+			->select('i_id')
+			->selectRaw('CASE WHEN COUNT(branch) > 1 THEN 0 ELSE MIN(branch) END AS branches')
+			->groupBy('i_id');
+
+		return DB::table('maj_sosa')
+			->rightJoinSub(
+				$consolidated_ancestors_branches,
+				'indi_branch_consolidated',
+				function (JoinClause $join) use ($gen): void {
+					$join->where('maj_sosa.majs_gedcom_id', '=', $this->tree->id())
+						->where('maj_sosa.majs_user_id', '=', $this->user->id())
+						->where('branches', '>', 0)
+						->whereRaw('majs_sosa = POW(2, ? - 1) + branches - 1', [$gen]);
+				}
+			)
+			->select(['branches', 'majs_i_id'])
+			->selectRaw('COUNT(i_id) AS count_indi')
+			->groupBy(['branches', 'majs_i_id'])
+			->get()->keyBy('branches');
+	}
 }

Spacing +58 added lines, -59 removed lines

@@ -74,7 +74,7 @@ 
      */
     public function maxGeneration(): int
     {
-        return (int) DB::table('maj_sosa')
+        return (int)DB::table('maj_sosa')
             ->where('majs_gedcom_id', '=', $this->tree->id())
             ->where('majs_user_id', '=', $this->user->id())
             ->max('majs_gen');
@@ -152,8 +152,7 @@ 
             ->get()->first();
 
         $denom = $row->n * $row->sum_x2 - pow($row->sum_x, 2);
-        return ((int) $row->n === 0 || $denom === 0) ? 0 :
-            -($row->n * $row->sum_xy - $row->sum_x * $row->sum_y) / $denom;
+        return ((int)$row->n === 0 || $denom === 0) ? 0 : -($row->n * $row->sum_xy - $row->sum_x * $row->sum_y) / $denom;
     }
 
     /**
@@ -177,10 +176,10 @@ 
 
         $statistics_by_gen = [];
         foreach ($stats_by_gen as $gen => $stats_gen) {
-            $statistics_by_gen[(int) $stats_gen->gen] = array(
-                'sosaCount'             =>  (int) $stats_gen->total_sosa,
-                'sosaTotalCount'        =>  (int) $cumul_stats_by_gen[$gen]->total_cumul,
-                'diffSosaTotalCount'    =>  (int) $cumul_stats_by_gen[$gen]->total_distinct_cumul,
+            $statistics_by_gen[(int)$stats_gen->gen] = array(
+                'sosaCount'             =>  (int)$stats_gen->total_sosa,
+                'sosaTotalCount'        =>  (int)$cumul_stats_by_gen[$gen]->total_cumul,
+                'diffSosaTotalCount'    =>  (int)$cumul_stats_by_gen[$gen]->total_distinct_cumul,
                 'firstBirth'            =>  $stats_gen->first_year,
                 'firstEstimatedBirth'   =>  $stats_gen->first_est_year,
                 'lastBirth'             =>  $stats_gen->last_year,
@@ -224,7 +223,7 @@ 
             ->where('majs_user_id', '=', $this->user->id());
 
         return DB::table('maj_sosa')
-            ->joinSub($list_gen, 'list_gen', function (JoinClause $join): void {
+            ->joinSub($list_gen, 'list_gen', function(JoinClause $join): void {
                 $join->on('maj_sosa.majs_gen', '<=', 'list_gen.majs_gen')
                 ->where('majs_gedcom_id', '=', $this->tree->id())
                 ->where('majs_user_id', '=', $this->user->id());
@@ -265,37 +264,37 @@ 
             ->select(['list_gen.majs_gen AS gen', 'sosa.majs_gedcom_id', 'sosa.majs_user_id'])
             ->addSelect(['sosa.majs_i_id', 'sosa.majs_gen'])
             ->selectRaw(
-                '(CASE ' .
-                    ' WHEN ' . $table_prefix . 'sosa_fat.majs_i_id IS NULL' .
-                    ' THEN POWER(2, ' . $table_prefix . 'list_gen.majs_gen - ' . $table_prefix . 'sosa.majs_gen - 1)' .
-                    ' ELSE 0 ' .
-                ' END)' .
-                ' + (CASE ' .
-                    ' WHEN ' . $table_prefix . 'sosa_mot.majs_i_id IS NULL' .
-                    ' THEN POWER(2, ' . $table_prefix . 'list_gen.majs_gen - ' . $table_prefix . 'sosa.majs_gen - 1)' .
-                    ' ELSE 0 ' .
+                '(CASE '.
+                    ' WHEN '.$table_prefix.'sosa_fat.majs_i_id IS NULL'.
+                    ' THEN POWER(2, '.$table_prefix.'list_gen.majs_gen - '.$table_prefix.'sosa.majs_gen - 1)'.
+                    ' ELSE 0 '.
+                ' END)'.
+                ' + (CASE '.
+                    ' WHEN '.$table_prefix.'sosa_mot.majs_i_id IS NULL'.
+                    ' THEN POWER(2, '.$table_prefix.'list_gen.majs_gen - '.$table_prefix.'sosa.majs_gen - 1)'.
+                    ' ELSE 0 '.
                 ' END) contrib'
             )
-            ->joinSub($list_gen, 'list_gen', function (JoinClause $join): void {
+            ->joinSub($list_gen, 'list_gen', function(JoinClause $join): void {
                 $join->on('sosa.majs_gen', '<', 'list_gen.majs_gen')
                     ->where('majs_gedcom_id', '=', $this->tree->id())
                     ->where('majs_user_id', '=', $this->user->id());
             })
-            ->leftJoin('maj_sosa AS sosa_fat', function (JoinClause $join) use ($table_prefix): void {
+            ->leftJoin('maj_sosa AS sosa_fat', function(JoinClause $join) use ($table_prefix): void {
                 // Link to sosa's father
-                $join->whereRaw($table_prefix . 'sosa_fat.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa')
+                $join->whereRaw($table_prefix.'sosa_fat.majs_sosa = 2 * '.$table_prefix.'sosa.majs_sosa')
                     ->where('sosa_fat.majs_gedcom_id', '=', $this->tree->id())
                     ->where('sosa_fat.majs_user_id', '=', $this->user->id());
             })
-            ->leftJoin('maj_sosa AS sosa_mot', function (JoinClause $join) use ($table_prefix): void {
+            ->leftJoin('maj_sosa AS sosa_mot', function(JoinClause $join) use ($table_prefix): void {
                 // Link to sosa's mother
-                $join->whereRaw($table_prefix . 'sosa_mot.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa + 1')
+                $join->whereRaw($table_prefix.'sosa_mot.majs_sosa = 2 * '.$table_prefix.'sosa.majs_sosa + 1')
                     ->where('sosa_mot.majs_gedcom_id', '=', $this->tree->id())
                     ->where('sosa_mot.majs_user_id', '=', $this->user->id());
             })
             ->where('sosa.majs_gedcom_id', '=', $this->tree->id())
             ->where('sosa.majs_user_id', '=', $this->user->id())
-            ->where(function (Builder $query): void {
+            ->where(function(Builder $query): void {
                 $query->whereNull('sosa_fat.majs_i_id')
                 ->orWhereNull('sosa_mot.majs_i_id');
             });
@@ -305,24 +304,24 @@ 
          */
         $non_roots_ancestors = DB::table('maj_sosa AS sosa')
             ->select(['sosa.majs_gen', 'sosa.majs_gedcom_id', 'sosa.majs_user_id', 'sosa.majs_sosa'])
-            ->selectRaw('MAX(' . $table_prefix . 'sosa_anc.majs_sosa) - MIN(' . $table_prefix . 'sosa_anc.majs_sosa)' .
+            ->selectRaw('MAX('.$table_prefix.'sosa_anc.majs_sosa) - MIN('.$table_prefix.'sosa_anc.majs_sosa)'.
                 ' AS full_ancestors')
-            ->join('maj_sosa AS sosa_anc', function (JoinClause $join) use ($table_prefix): void {
+            ->join('maj_sosa AS sosa_anc', function(JoinClause $join) use ($table_prefix): void {
                 $join->on('sosa.majs_gen', '<', 'sosa_anc.majs_gen')
-                    ->whereRaw('FLOOR(' . $table_prefix . 'sosa_anc.majs_sosa / POWER(2, ' .
-                        $table_prefix . 'sosa_anc.majs_gen - ' . $table_prefix . 'sosa.majs_gen)) = ' .
-                        $table_prefix . 'sosa.majs_sosa')
+                    ->whereRaw('FLOOR('.$table_prefix.'sosa_anc.majs_sosa / POWER(2, '.
+                        $table_prefix.'sosa_anc.majs_gen - '.$table_prefix.'sosa.majs_gen)) = '.
+                        $table_prefix.'sosa.majs_sosa')
                     ->where('sosa_anc.majs_gedcom_id', '=', $this->tree->id())
                     ->where('sosa_anc.majs_user_id', '=', $this->user->id());
             })
             ->where('sosa.majs_gedcom_id', '=', $this->tree->id())
             ->where('sosa.majs_user_id', '=', $this->user->id())
-            ->whereIn('sosa_anc.majs_i_id', function (Builder $query) use ($table_prefix): void {
+            ->whereIn('sosa_anc.majs_i_id', function(Builder $query) use ($table_prefix): void {
                 $query->from('maj_sosa AS sosa_gen')
                 ->select('sosa_gen.majs_i_id')->distinct()
                 ->where('sosa_gen.majs_gedcom_id', '=', $this->tree->id())
                 ->where('sosa_gen.majs_user_id', '=', $this->user->id())
-                ->whereRaw($table_prefix . 'sosa_gen.majs_gen = ' . $table_prefix . 'sosa.majs_gen');
+                ->whereRaw($table_prefix.'sosa_gen.majs_gen = '.$table_prefix.'sosa.majs_gen');
             })
             ->groupBy(['sosa.majs_gen', 'sosa.majs_gedcom_id', 'sosa.majs_user_id',
                 'sosa.majs_sosa', 'sosa.majs_i_id']);
@@ -335,7 +334,7 @@ 
             ->select(['sosa.majs_gen AS gen', 'sosa.majs_gedcom_id', 'sosa.majs_user_id'])
             ->addSelect(['sosa.majs_i_id', 'sosa.majs_gen'])
             ->selectRaw('1 AS contrib')
-            ->leftJoinSub($non_roots_ancestors, 'nonroot', function (JoinClause $join): void {
+            ->leftJoinSub($non_roots_ancestors, 'nonroot', function(JoinClause $join): void {
                 $join->on('sosa.majs_gen', '=', 'nonroot.majs_gen')
                     ->on('sosa.majs_sosa', '=', 'nonroot.majs_sosa')
                     ->where('nonroot.full_ancestors', '>', 0)
@@ -353,9 +352,9 @@ 
             ->fromSub($root_ancestors_contributions->unionAll($known_ancestors_contributions), 'sosa_contribs')
             ->select(['sosa_contribs.gen', 'sosa_contribs.majs_gedcom_id', 'sosa_contribs.majs_user_id'])
             ->addSelect(['sosa_contribs.majs_i_id', 'sosa_contribs.contrib'])
-            ->selectRaw('COUNT(' . $table_prefix . 'sosa_contribs.majs_i_id) * ' .
-                $table_prefix . 'sosa_contribs.contrib AS totalContrib')
-            ->leftJoin('maj_sosa AS sosa_low', function (JoinClause $join): void {
+            ->selectRaw('COUNT('.$table_prefix.'sosa_contribs.majs_i_id) * '.
+                $table_prefix.'sosa_contribs.contrib AS totalContrib')
+            ->leftJoin('maj_sosa AS sosa_low', function(JoinClause $join): void {
                 $join->on('sosa_low.majs_gen', '<', 'sosa_contribs.majs_gen')
                     ->on('sosa_low.majs_i_id', '=', 'sosa_contribs.majs_i_id')
                     ->where('sosa_low.majs_gedcom_id', '=', $this->tree->id())
@@ -376,9 +375,9 @@ 
 
         $pedi_collapse_by_gen = [];
         foreach ($pedi_collapse_coll as $collapse_gen) {
-            $pedi_collapse_by_gen[(int) $collapse_gen->gen] = array(
-                'pedi_collapse_roots'   =>  (float) $collapse_gen->pedi_collapse_roots,
-                'pedi_collapse_xgen'   =>  (float) $collapse_gen->pedi_collapse_xgen
+            $pedi_collapse_by_gen[(int)$collapse_gen->gen] = array(
+                'pedi_collapse_roots'   =>  (float)$collapse_gen->pedi_collapse_roots,
+                'pedi_collapse_xgen'   =>  (float)$collapse_gen->pedi_collapse_xgen
             );
         }
         return $pedi_collapse_by_gen;
@@ -410,26 +409,26 @@ 
 
         $table_prefix = DB::connection()->getTablePrefix();
         $missing_ancestors_by_gen = DB::table('maj_sosa AS sosa')
-            ->selectRaw($table_prefix . 'sosa.majs_gen - ? AS majs_gen_norm', [$gen])
-            ->selectRaw('FLOOR(((' . $table_prefix . 'sosa.majs_sosa / POW(2, ' . $table_prefix . 'sosa.majs_gen -1 )) - 1) * POWER(2, ? - 1)) + POWER(2, ? - 1) AS root_ancestor', [$gen, $gen])   //@phpcs:ignore Generic.Files.LineLength.TooLong
-            ->selectRaw('SUM(CASE WHEN ' . $table_prefix . 'sosa_fat.majs_i_id IS NULL AND ' . $table_prefix . 'sosa_mot.majs_i_id IS NULL THEN 1 ELSE 0 END) AS full_root_count')  //@phpcs:ignore Generic.Files.LineLength.TooLong
-            ->selectRaw('SUM(CASE WHEN ' . $table_prefix . 'sosa_fat.majs_i_id IS NULL AND ' . $table_prefix . 'sosa_mot.majs_i_id IS NULL THEN 0 ELSE 1 END) As semi_root_count')  //@phpcs:ignore Generic.Files.LineLength.TooLong
-            ->leftJoin('maj_sosa AS sosa_fat', function (JoinClause $join) use ($table_prefix): void {
+            ->selectRaw($table_prefix.'sosa.majs_gen - ? AS majs_gen_norm', [$gen])
+            ->selectRaw('FLOOR((('.$table_prefix.'sosa.majs_sosa / POW(2, '.$table_prefix.'sosa.majs_gen -1 )) - 1) * POWER(2, ? - 1)) + POWER(2, ? - 1) AS root_ancestor', [$gen, $gen])   //@phpcs:ignore Generic.Files.LineLength.TooLong
+            ->selectRaw('SUM(CASE WHEN '.$table_prefix.'sosa_fat.majs_i_id IS NULL AND '.$table_prefix.'sosa_mot.majs_i_id IS NULL THEN 1 ELSE 0 END) AS full_root_count')  //@phpcs:ignore Generic.Files.LineLength.TooLong
+            ->selectRaw('SUM(CASE WHEN '.$table_prefix.'sosa_fat.majs_i_id IS NULL AND '.$table_prefix.'sosa_mot.majs_i_id IS NULL THEN 0 ELSE 1 END) As semi_root_count')  //@phpcs:ignore Generic.Files.LineLength.TooLong
+            ->leftJoin('maj_sosa AS sosa_fat', function(JoinClause $join) use ($table_prefix): void {
                 // Link to sosa's father
-                $join->whereRaw($table_prefix . 'sosa_fat.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa')
+                $join->whereRaw($table_prefix.'sosa_fat.majs_sosa = 2 * '.$table_prefix.'sosa.majs_sosa')
                 ->where('sosa_fat.majs_gedcom_id', '=', $this->tree->id())
                 ->where('sosa_fat.majs_user_id', '=', $this->user->id());
             })
-            ->leftJoin('maj_sosa AS sosa_mot', function (JoinClause $join) use ($table_prefix): void {
+            ->leftJoin('maj_sosa AS sosa_mot', function(JoinClause $join) use ($table_prefix): void {
                 // Link to sosa's mother
-                $join->whereRaw($table_prefix . 'sosa_mot.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa + 1')
+                $join->whereRaw($table_prefix.'sosa_mot.majs_sosa = 2 * '.$table_prefix.'sosa.majs_sosa + 1')
                 ->where('sosa_mot.majs_gedcom_id', '=', $this->tree->id())
                 ->where('sosa_mot.majs_user_id', '=', $this->user->id());
             })
             ->where('sosa.majs_gedcom_id', '=', $this->tree->id())
             ->where('sosa.majs_user_id', '=', $this->user->id())
             ->where('sosa.majs_gen', '>=', $gen)
-            ->where(function (Builder $query): void {
+            ->where(function(Builder $query): void {
                 $query->whereNull('sosa_fat.majs_i_id')
                     ->orWhereNull('sosa_mot.majs_i_id');
             })
@@ -438,11 +437,11 @@ 
         return DB::table('maj_sosa AS sosa_list')
             ->select(['stats_by_gen.root_ancestor AS root_ancestor_sosa', 'sosa_list.majs_i_id as root_ancestor_id'])
             ->selectRaw('1 + SUM( (majs_gen_norm) * ( 2 * full_root_count + semi_root_count) /  (2 * POWER(2, majs_gen_norm))) AS mean_gen_depth')  //@phpcs:ignore Generic.Files.LineLength.TooLong
-            ->selectRaw(' SQRT(' .
-                '   SUM(POWER(majs_gen_norm, 2) * ( 2 * full_root_count + semi_root_count) /  (2 * POWER(2, majs_gen_norm)))' .     //@phpcs:ignore Generic.Files.LineLength.TooLong
-                '   - POWER( SUM( (majs_gen_norm) * ( 2 * full_root_count + semi_root_count) /  (2 * POWER(2, majs_gen_norm))), 2)' .       //@phpcs:ignore Generic.Files.LineLength.TooLong
+            ->selectRaw(' SQRT('.
+                '   SUM(POWER(majs_gen_norm, 2) * ( 2 * full_root_count + semi_root_count) /  (2 * POWER(2, majs_gen_norm)))'.//@phpcs:ignore Generic.Files.LineLength.TooLong
+                '   - POWER( SUM( (majs_gen_norm) * ( 2 * full_root_count + semi_root_count) /  (2 * POWER(2, majs_gen_norm))), 2)'.//@phpcs:ignore Generic.Files.LineLength.TooLong
                 ' ) AS stddev_gen_depth')
-            ->joinSub($missing_ancestors_by_gen, 'stats_by_gen', function (JoinClause $join): void {
+            ->joinSub($missing_ancestors_by_gen, 'stats_by_gen', function(JoinClause $join): void {
                 $join->on('sosa_list.majs_sosa', '=', 'stats_by_gen.root_ancestor')
                     ->where('sosa_list.majs_gedcom_id', '=', $this->tree->id())
                     ->where('sosa_list.majs_user_id', '=', $this->user->id());
@@ -471,16 +470,16 @@ 
         $table_prefix = DB::connection()->getTablePrefix();
         $multiple_ancestors = DB::table('maj_sosa AS sosa')
             ->select('sosa.majs_i_id AS sosa_i_id')
-            ->selectRaw('COUNT(' . $table_prefix . 'sosa.majs_sosa) AS sosa_count')
-            ->leftJoin('maj_sosa AS sosa_fat', function (JoinClause $join) use ($table_prefix): void {
+            ->selectRaw('COUNT('.$table_prefix.'sosa.majs_sosa) AS sosa_count')
+            ->leftJoin('maj_sosa AS sosa_fat', function(JoinClause $join) use ($table_prefix): void {
                 // Link to sosa's father
-                $join->whereRaw($table_prefix . 'sosa_fat.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa')
+                $join->whereRaw($table_prefix.'sosa_fat.majs_sosa = 2 * '.$table_prefix.'sosa.majs_sosa')
                     ->where('sosa_fat.majs_gedcom_id', '=', $this->tree->id())
                     ->where('sosa_fat.majs_user_id', '=', $this->user->id());
             })
-            ->leftJoin('maj_sosa AS sosa_mot', function (JoinClause $join) use ($table_prefix): void {
+            ->leftJoin('maj_sosa AS sosa_mot', function(JoinClause $join) use ($table_prefix): void {
                 // Link to sosa's mother
-                $join->whereRaw($table_prefix . 'sosa_mot.majs_sosa = 2 * ' . $table_prefix . 'sosa.majs_sosa + 1')
+                $join->whereRaw($table_prefix.'sosa_mot.majs_sosa = 2 * '.$table_prefix.'sosa.majs_sosa + 1')
                 ->where('sosa_mot.majs_gedcom_id', '=', $this->tree->id())
                 ->where('sosa_mot.majs_user_id', '=', $this->user->id());
             })
@@ -489,15 +488,15 @@ 
             ->whereNull('sosa_fat.majs_sosa')   // We keep only root individuals, i.e. those with no father or mother
             ->whereNull('sosa_mot.majs_sosa')
             ->groupBy('sosa.majs_i_id')
-            ->havingRaw('COUNT(' . $table_prefix . 'sosa.majs_sosa) > 1')    // Limit to the duplicate sosas.
-            ->orderByRaw('COUNT(' . $table_prefix . 'sosa.majs_sosa) DESC, MIN(' . $table_prefix . 'sosa.majs_sosa) ASC')   //@phpcs:ignore Generic.Files.LineLength.TooLong
+            ->havingRaw('COUNT('.$table_prefix.'sosa.majs_sosa) > 1')    // Limit to the duplicate sosas.
+            ->orderByRaw('COUNT('.$table_prefix.'sosa.majs_sosa) DESC, MIN('.$table_prefix.'sosa.majs_sosa) ASC')   //@phpcs:ignore Generic.Files.LineLength.TooLong
             ->limit($limit + 1)     // We want to select one more than required, for ties
             ->get();
 
         if ($multiple_ancestors->count() > $limit) {
             $last_count = $multiple_ancestors->last()->sosa_count;
             $multiple_ancestors = $multiple_ancestors->reject(
-                fn (stdClass $element): bool => $element->sosa_count ===  $last_count
+                fn (stdClass $element): bool => $element->sosa_count === $last_count
             );
         }
         return $multiple_ancestors;
@@ -552,7 +551,7 @@ 
             ->rightJoinSub(
                 $consolidated_ancestors_branches,
                 'indi_branch_consolidated',
-                function (JoinClause $join) use ($gen): void {
+                function(JoinClause $join) use ($gen): void {
                     $join->where('maj_sosa.majs_gedcom_id', '=', $this->tree->id())
                         ->where('maj_sosa.majs_user_id', '=', $this->user->id())
                         ->where('branches', '>', 0)