MathPHP\Probability\Distribution\Continuous\ChiSquaredTest::testCDF PHP Метод

public testCDF ( $x, integer $k, $cdf )
$k	integer

    public function testCDF($x, int $k, $cdf)
    {
        $this->assertEquals($cdf, ChiSquared::CDF($x, $k), '', 0.01);
    }

ChiSquaredTest