@@ -28,7 +28,7 @@ discard block |
||
28 | 28 | throw new InvalidArgumentException('The array must have at least 2 elements'); |
29 | 29 | } |
30 | 30 | |
31 | - $samplesPerClass = array_map(function (array $class): int { |
|
31 | + $samplesPerClass = array_map(function(array $class): int { |
|
32 | 32 | return count($class); |
33 | 33 | }, $samples); |
34 | 34 | $allSamples = (int) array_sum($samplesPerClass); |
@@ -41,10 +41,10 @@ discard block |
||
41 | 41 | $dfbn = $classes - 1; |
42 | 42 | $dfwn = $allSamples - $classes; |
43 | 43 | |
44 | - $msb = array_map(function ($s) use ($dfbn) { |
|
44 | + $msb = array_map(function($s) use ($dfbn) { |
|
45 | 45 | return $s / $dfbn; |
46 | 46 | }, $ssbn); |
47 | - $msw = array_map(function ($s) use ($dfwn) { |
|
47 | + $msw = array_map(function($s) use ($dfwn) { |
|
48 | 48 | if ($dfwn === 0) { |
49 | 49 | return 1; |
50 | 50 | } |
@@ -76,7 +76,7 @@ discard block |
||
76 | 76 | |
77 | 77 | private static function sumOfFeaturesPerClass(array $samples): array |
78 | 78 | { |
79 | - return array_map(function (array $class) { |
|
79 | + return array_map(function(array $class) { |
|
80 | 80 | $sum = array_fill(0, count($class[0]), 0); |
81 | 81 | foreach ($class as $sample) { |
82 | 82 | foreach ($sample as $index => $feature) { |
@@ -97,7 +97,7 @@ discard block |
||
97 | 97 | } |
98 | 98 | } |
99 | 99 | |
100 | - return array_map(function ($sum) { |
|
100 | + return array_map(function($sum) { |
|
101 | 101 | return $sum ** 2; |
102 | 102 | }, $squares); |
103 | 103 | } |