[Summary view]

   1  <?php
   2  
   3  declare(strict_types=1);
   4  
   5  namespace Phpml\FeatureSelection\ScoringFunction;
   6  
   7  use Phpml\FeatureSelection\ScoringFunction;
   8  use Phpml\Math\Statistic\ANOVA;
   9  
  10  final class ANOVAFValue implements ScoringFunction
  11  {
  12      public function score(array $samples, array $targets): array
  13      {
  14          $grouped = [];
  15          foreach ($samples as $index => $sample) {
  16              $grouped[$targets[$index]][] = $sample;
  17          }
  18  
  19          return ANOVA::oneWayF(array_values($grouped));
  20      }
  21  }