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<?php
declare(strict_types=1);
namespace Phpml\FeatureSelection\ScoringFunction;
use Phpml\FeatureSelection\ScoringFunction;
use Phpml\Math\Statistic\ANOVA;
final class ANOVAFValue implements ScoringFunction
{
public function score(array $samples, array $targets): array
$grouped = [];
foreach ($samples as $index => $sample) {
$grouped[$targets[$index]][] = $sample;
}
return ANOVA::oneWayF(array_values($grouped));
php-ai /
php-ml
