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Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
   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  }