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Added mean error test

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Dennis Eichhorn 2018-02-23 10:49:00 +01:00 committed by GitHub
parent b3b7391712
commit cc682b1945
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1 changed files with 14 additions and 0 deletions
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14
tests/Math/Statistic/Forecast/ErrorTest.php
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@ -55,4 +55,18 @@ class ErrorTest extends \PHPUnit\Framework\TestCase
)
);
}
public function testMeanError()
{
$errors = [
400 - 300,
600 - 700,
200 - 200,
500 - -300
];
self::assertEquals(300, Error::getMeanAbsoulteError($errors), '', 0.01);
self::assertEquals(125000, Error::getMeanSquaredError($errors), '', 0.01);
self::assertEquals(406.2019, Error::getRootMeanSquaredError($errors), '', 0.01);
}
}