45 lines
1.0 KiB
PHP
45 lines
1.0 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Phpml\Tests\Math\Statistic;
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use Phpml\Exception\InvalidArgumentException;
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use Phpml\Math\Statistic\ANOVA;
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use PHPUnit\Framework\TestCase;
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final class ANOVATest extends TestCase
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{
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public function testOneWayF(): void
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{
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$samples = [
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[[1, 2, 1], [1, 3, 4], [5, 2, 1]],
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[[1, 3, 3], [1, 3, 4], [0, 3, 5]],
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];
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$f = [1.47058824, 4.0, 3.0];
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self::assertEqualsWithDelta($f, ANOVA::oneWayF($samples), 0.00000001);
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}
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public function testOneWayFWithDifferingSizes(): void
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{
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$samples = [
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[[1, 2, 1], [1, 3, 4], [5, 2, 1]],
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[[1, 3, 3], [1, 3, 4]],
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];
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self::assertEqualsWithDelta([0.6, 2.4, 1.24615385], ANOVA::oneWayF($samples), 0.00000001);
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}
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public function testThrowExceptionOnTooSmallSamples(): void
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{
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$this->expectException(InvalidArgumentException::class);
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$samples = [
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[[1, 2, 1], [1, 3, 4], [5, 2, 1]],
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];
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ANOVA::oneWayF($samples);
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}
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}
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