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remove accuracy score tests on datasets

This commit is contained in:
Arkadiusz Kondas 2016-04-09 15:50:48 +02:00
parent c9c592cb09
commit a992f65200
1 changed files with 0 additions and 33 deletions
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33
tests/Phpml/Classifier/KNearestNeighborsTest.php
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@ -47,37 +47,4 @@ class KNearestNeighborsTest extends \PHPUnit_Framework_TestCase
$this->assertEquals($testLabels, $predicted);
}
public function testAccuracyOnIrisDataset()
{
$dataset = new RandomSplit(new Iris(), $testSize = 0.5, $seed = 123);
$classifier = new KNearestNeighbors($k = 4);
$classifier->train($dataset->getTrainSamples(), $dataset->getTrainLabels());
$predicted = $classifier->predict($dataset->getTestSamples());
$score = Accuracy::score($dataset->getTestLabels(), $predicted);
$this->assertEquals(0.96, $score);
}
public function testAccuracyOnWineDataset()
{
$dataset = new RandomSplit(new Wine(), $testSize = 0.3, $seed = 321);
$classifier = new KNearestNeighbors(1);
$classifier->train($dataset->getTrainSamples(), $dataset->getTrainLabels());
$predicted = $classifier->predict($dataset->getTestSamples());
$score = Accuracy::score($dataset->getTestLabels(), $predicted);
$this->assertEquals(0.85185185185185186, $score);
}
public function testAccuracyOnGlassDataset()
{
$dataset = new RandomSplit(new Glass(), $testSize = 0.3, $seed = 456);
$classifier = new KNearestNeighbors(7);
$classifier->train($dataset->getTrainSamples(), $dataset->getTrainLabels());
$predicted = $classifier->predict($dataset->getTestSamples());
$score = Accuracy::score($dataset->getTestLabels(), $predicted);
$this->assertEquals(0.69230769230769229, $score);
}
}