php-ml/tests/Phpml/Classification/Ensemble/RandomForestTest.php

<?php

declare(strict_types=1);

namespace tests\Classification\Ensemble;

use Phpml\Classification\Ensemble\RandomForest;
use Phpml\Classification\DecisionTree;
use Phpml\Classification\NaiveBayes;
use Phpml\Classification\KNearestNeighbors;
use Phpml\ModelManager;
use tests\Classification\Ensemble\BaggingTest;

class RandomForestTest extends BaggingTest
{
    protected function getClassifier($numBaseClassifiers = 50)
    {
        $classifier = new RandomForest($numBaseClassifiers);
        $classifier->setFeatureSubsetRatio('log');
        return $classifier;
    }

    protected function getAvailableBaseClassifiers()
    {
        return [ DecisionTree::class => ['depth' => 5] ];
    }

    public function testOtherBaseClassifier()
    {
        try {
            $classifier = new RandomForest();
            $classifier->setClassifer(NaiveBayes::class);
            $this->assertEquals(0, 1);
        } catch (\Exception $ex) {
            $this->assertEquals(1, 1);
        }
    }
}