php-ai / php-ml

src/FeatureSelection/ScoringFunction/UnivariateLinearRegression.php

Spacing +2 added lines, -2 removed lines

@@ -52,7 +52,7 @@ 
 
         $degreesOfFreedom = count($targets) - ($this->center ? 2 : 1);
 
-        return array_map(function (float $correlation) use ($degreesOfFreedom): float {
+        return array_map(function(float $correlation) use ($degreesOfFreedom): float {
             return $correlation ** 2 / (1 - $correlation ** 2) * $degreesOfFreedom;
         }, $correlations);
     }
@@ -60,7 +60,7 @@ 
     private function centerTargets(array &$targets): void
     {
         $mean = Mean::arithmetic($targets);
-        array_walk($targets, function (&$target) use ($mean): void {
+        array_walk($targets, function(&$target) use ($mean): void {
             $target -= $mean;
         });
     }