DataFrame::std() - Code Metrics - devfym/intelliphp - Measure and Improve Code Quality continuously with Scrutinizer

DataFrame::std() A
last analyzed 2020-01-20 00:23 UTC

↳ Parent: DataFrame

Complexity

Conditions	3
Paths	3

Size

Total Lines	12
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	3
eloc	5
c	0
b	0
f	0
nc	3
nop	1
dl	0
loc	12
rs	10

<?php

namespace devfym\IntelliPHP\Data;

use devfym\IntelliPHP\Math\StatisticInterface;

class DataFrame implements StatisticInterface
{
    /**
     * @var array
     * List of Column names.
     */
    private $columns = [];

    /**
     * @var int
     * Number of Sample.
     */
    private $index = 0;

    /**
     * DataFrame constructor.
     */
    public function __construct()
    {
        //
    }

    /**
     * @param array $arr
     * @return array
     * Transpose array.
     */
    public function transpose($arr = []) : array
    {
        $columns = array_keys($arr[0]);

        $arr = array_map(null, ...$arr);

        foreach ($columns as $index => $column) {
            $arr[$column] = $arr[$index];
            unset($arr[$index]);
        }

        return $arr;
    }

    /**
     * @param array $arr
     * @param bool $transpose
     * Store given array-formatted data into series.
     */
    public function readArray($arr = [], $transpose = false) : void
    {

        if ($transpose === true) {
            $arr = $this->transpose($arr);
        }

        // Set Columns
        $this->columns = array_keys($arr);

        // Set Index
        $this->index = count($arr[$this->columns[0]]);

        // Create Series instance for each column.
        foreach ($this->columns as $column) {
            $this->{$column} = new Series();
            $this->{$column}->setSample($arr[$column]);
        }
    }

    /**
     * @return array
     * Get list of column names.
     */
    public function getColumns() : array
    {
        return $this->columns;
    }

    public function getNumericColumns() : array {

        $columns = $this->columns;

        $numeric = [];

        foreach ($columns as $col) {
            if ($this->{$col}->dataType() == 'Numeric') {
                array_push($numeric, $col);
            }
        }

        return $numeric;
    }

    /**
     * @return int
     * Get Number of Sample.
     */
    public function getIndex() : int
    {
        return $this->index;
    }

    /**
     * @param int $floatPoint
     * @return array
     * Get list of mean value in DataFrame.
     */
    public function mean($floatPoint = 1) : array
    {
        // Initialize mean.
        $mean = [];

        foreach ($this->columns as $column) {
            if ($this->{$column}->dataType() == 'Numeric') {
                $mean[$column] = $this->{$column}->mean($floatPoint);
            }
        }

        return $mean;
    }

    /**
     * @param int $floatPoint
     * @return array
     * Get list of max value in DataFrame.
     */
    public function max($floatPoint = 2) : array
    {
        // Initialize max.
        $max = [];

        foreach ($this->columns as $column) {
            if ($this->{$column}->dataType() == 'Numeric') {
                $max[$column] = $this->{$column}->max($floatPoint);
            }
        }

        return $max;
    }

    /**
     * @param int $floatPoint
     * @return array
     * Get list of min value in DataFrame.
     */
    public function min($floatPoint = 2) : array
    {
        // Initialize min.
        $min = [];

        foreach ($this->columns as $column) {
            if ($this->{$column}->dataType() == 'Numeric') {
                $min[$column] = $this->{$column}->min($floatPoint);
            }
        }

        return $min;
    }

    /**
     * @param int $Q
     * @param int $floatPoint
     * @return array
     * Get list of Q-th quartile value in DataFrame.
     */
    public function quartile($Q = 1, $floatPoint = 2) : array
    {
        // Initialize quartile.
        $quartile = [];

        foreach ($this->columns as $column) {
            if ($this->{$column}->dataType() == 'Numeric') {
                $quartile[$column] = $this->{$column}->quartile($Q, $floatPoint);
            }
        }

        return $quartile;
    }

    /**
     * @param int $floatPoint
     * @return array
     * Get list of 2nd Quartile value in DataFrame.
     */
    public function median($floatPoint = 2) : array
    {
        return $this->quartile(2, $floatPoint);
    }

    /**
     * @param int $floatPoint
     * @return array
     * Get list of Variance in DataFrame.
     */
    public function variance($floatPoint = 4) : array
    {
        // Initialize quartile.
        $variance = [];

        foreach ($this->columns as $column) {
            if ($this->{$column}->dataType() == 'Numeric') {
                $variance[$column] = $this->{$column}->variance($floatPoint);
            }
        }

        return $variance;
    }

    /**
     * @param int $floatPoint
     * @return array
     * Get list of Standard Deviation in DataFrame.
     */
    public function std($floatPoint = 2) : array
    {
        // Initialize quartile.
        $std = [];

        foreach ($this->columns as $column) {
            if ($this->{$column}->dataType() == 'Numeric') {
                $std[$column] = $this->{$column}->std($floatPoint);
            }
        }

        return $std;
    }
}


1			<?php
2
3			namespace devfym\IntelliPHP\Data;
4
5			use devfym\IntelliPHP\Math\StatisticInterface;
6
7			class DataFrame implements StatisticInterface
8			{
9			/**
10			* @var array
11			* List of Column names.
12			*/
13			private $columns = [];
14
15			/**
16			* @var int
17			* Number of Sample.
18			*/
19			private $index = 0;
20
21			/**
22			* DataFrame constructor.
23			*/
24			public function __construct()
25			{
26			//
27			}
28
29			/**
30			* @param array $arr
31			* @return array
32			* Transpose array.
33			*/
34			public function transpose($arr = []) : array
35			{
36			$columns = array_keys($arr[0]);
37
38			$arr = array_map(null, ...$arr);
39
40			foreach ($columns as $index => $column) {
41			$arr[$column] = $arr[$index];
42			unset($arr[$index]);
43			}
44
45			return $arr;
46			}
47
48			/**
49			* @param array $arr
50			* @param bool $transpose
51			* Store given array-formatted data into series.
52			*/
53			public function readArray($arr = [], $transpose = false) : void
54			{
55
56			if ($transpose === true) {
57			$arr = $this->transpose($arr);
58			}
59
60			// Set Columns
61			$this->columns = array_keys($arr);
62
63			// Set Index
64			$this->index = count($arr[$this->columns[0]]);
65
66			// Create Series instance for each column.
67			foreach ($this->columns as $column) {
68			$this->{$column} = new Series();
69			$this->{$column}->setSample($arr[$column]);
70			}
71			}
72
73			/**
74			* @return array
75			* Get list of column names.
76			*/
77			public function getColumns() : array
78			{
79			return $this->columns;
80			}
81
82			public function getNumericColumns() : array {
83
84			$columns = $this->columns;
85
86			$numeric = [];
87
88			foreach ($columns as $col) {
89			if ($this->{$col}->dataType() == 'Numeric') {
90			array_push($numeric, $col);
91			}
92			}
93
94			return $numeric;
95			}
96
97			/**
98			* @return int
99			* Get Number of Sample.
100			*/
101			public function getIndex() : int
102			{
103			return $this->index;
104			}
105
106			/**
107			* @param int $floatPoint
108			* @return array
109			* Get list of mean value in DataFrame.
110			*/
111			public function mean($floatPoint = 1) : array
112			{
113			// Initialize mean.
114			$mean = [];
115
116			foreach ($this->columns as $column) {
117			if ($this->{$column}->dataType() == 'Numeric') {
118			$mean[$column] = $this->{$column}->mean($floatPoint);
119			}
120			}
121
122			return $mean;
123			}
124
125			/**
126			* @param int $floatPoint
127			* @return array
128			* Get list of max value in DataFrame.
129			*/
130			public function max($floatPoint = 2) : array
131			{
132			// Initialize max.
133			$max = [];
134
135			foreach ($this->columns as $column) {
136			if ($this->{$column}->dataType() == 'Numeric') {
137			$max[$column] = $this->{$column}->max($floatPoint);
138			}
139			}
140
141			return $max;
142			}
143
144			/**
145			* @param int $floatPoint
146			* @return array
147			* Get list of min value in DataFrame.
148			*/
149			public function min($floatPoint = 2) : array
150			{
151			// Initialize min.
152			$min = [];
153
154			foreach ($this->columns as $column) {
155			if ($this->{$column}->dataType() == 'Numeric') {
156			$min[$column] = $this->{$column}->min($floatPoint);
157			}
158			}
159
160			return $min;
161			}
162
163			/**
164			* @param int $Q
165			* @param int $floatPoint
166			* @return array
167			* Get list of Q-th quartile value in DataFrame.
168			*/
169			public function quartile($Q = 1, $floatPoint = 2) : array
170			{
171			// Initialize quartile.
172			$quartile = [];
173
174			foreach ($this->columns as $column) {
175			if ($this->{$column}->dataType() == 'Numeric') {
176			$quartile[$column] = $this->{$column}->quartile($Q, $floatPoint);
177			}
178			}
179
180			return $quartile;
181			}
182
183			/**
184			* @param int $floatPoint
185			* @return array
186			* Get list of 2nd Quartile value in DataFrame.
187			*/
188			public function median($floatPoint = 2) : array
189			{
190			return $this->quartile(2, $floatPoint);
191			}
192
193			/**
194			* @param int $floatPoint
195			* @return array
196			* Get list of Variance in DataFrame.
197			*/
198			public function variance($floatPoint = 4) : array
199			{
200			// Initialize quartile.
201			$variance = [];
202
203			foreach ($this->columns as $column) {
204			if ($this->{$column}->dataType() == 'Numeric') {
205			$variance[$column] = $this->{$column}->variance($floatPoint);
206			}
207			}
208
209			return $variance;
210			}
211
212			/**
213			* @param int $floatPoint
214			* @return array
215			* Get list of Standard Deviation in DataFrame.
216			*/
217			public function std($floatPoint = 2) : array
218			{
219			// Initialize quartile.
220			$std = [];
221
222			foreach ($this->columns as $column) {
223			if ($this->{$column}->dataType() == 'Numeric') {
224			$std[$column] = $this->{$column}->std($floatPoint);
225			}
226			}
227
228			return $std;
229			}
230			}
231

devfym / intelliphp

DataFrame::std() A last analyzed 2020-01-20 00:23 UTC

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DataFrame::std() A
last analyzed 2020-01-20 00:23 UTC