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19 lines
500 B
PHP
19 lines
500 B
PHP
<?php
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declare (strict_types = 1);
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namespace test\Phpml\Math\StandardDeviation;
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use Phpml\Math\Statistic\Mean;
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class MeanTest extends \PHPUnit_Framework_TestCase
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{
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public function testArithmeticMean()
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{
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$delta = 0.01;
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$this->assertEquals(3.5, Mean::arithmetic([2, 5]), '', $delta);
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$this->assertEquals(41.16, Mean::arithmetic([43, 21, 25, 42, 57, 59]), '', $delta);
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$this->assertEquals(1.7, Mean::arithmetic([0.5, 0.5, 1.5, 2.5, 3.5]), '', $delta);
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}
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}
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