MathPHP\Statistics\DescriptiveTest::testPopulationVarianceNullWhenEmptyArray PHP Méthode

testPopulationVarianceNullWhenEmptyArray() public méthode

    public function testPopulationVarianceNullWhenEmptyArray()
    {
        $this->assertNull(Descriptive::populationVariance(array()));
    }
DescriptiveTest