php-ml/tests/Phpml/SupportVectorMachine/DataTransformerTest.php

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<?php
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declare(strict_types=1);
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namespace tests\Phpml\SupportVectorMachine;
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use Phpml\SupportVectorMachine\DataTransformer;
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use PHPUnit\Framework\TestCase;
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class DataTransformerTest extends TestCase
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{
public function testTransformDatasetToTrainingSet(): void
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{
$samples = [[1, 1], [2, 1], [3, 2], [4, 5]];
$labels = ['a', 'a', 'b', 'b'];
$trainingSet =
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'0 1:1 2:1 '.PHP_EOL.
'0 1:2 2:1 '.PHP_EOL.
'1 1:3 2:2 '.PHP_EOL.
'1 1:4 2:5 '.PHP_EOL
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;
$this->assertEquals($trainingSet, DataTransformer::trainingSet($samples, $labels));
}
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public function testTransformSamplesToTestSet(): void
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{
$samples = [[1, 1], [2, 1], [3, 2], [4, 5]];
$testSet =
'0 1:1 2:1 '.PHP_EOL.
'0 1:2 2:1 '.PHP_EOL.
'0 1:3 2:2 '.PHP_EOL.
'0 1:4 2:5 '.PHP_EOL
;
$this->assertEquals($testSet, DataTransformer::testSet($samples));
}
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}