Moodle 3.11 XRef and Diffs

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Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
PHP version: minimum PHP 7.3.0 Note: minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is supported too.

Moodle 3.11 Database Schema (by Marcus Green)

/lib/mlbackend/php/phpml/src/Phpml/FeatureSelection/ScoringFunction/ -> ANOVAFValue.php (source)

   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  }