php-ai / php-ml

src/Math/Statistic/StandardDeviation.php

Spacing +2 added lines, -2 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-declare(strict_types=1);
+declare(strict_types = 1);
 
 namespace Phpml\Math\Statistic;
 
@@ -51,7 +51,7 @@ 
         $mean = Mean::arithmetic($numbers);
 
         return array_sum(array_map(
-            function ($val) use ($mean) {
+            function($val) use ($mean) {
                 return ($val - $mean) ** 2;
             },
             $numbers

src/FeatureSelection/VarianceThreshold.php

Spacing +2 added lines, -2 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-declare(strict_types=1);
+declare(strict_types = 1);
 
 namespace Phpml\FeatureSelection;
 
@@ -39,7 +39,7 @@ 
 
     public function fit(array $samples): void
     {
-        $this->variances = array_map(function (array $column) {
+        $this->variances = array_map(function(array $column) {
             return Variance::population($column);
         }, Matrix::transposeArray($samples));