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

public testCDF ( $x, $d1, $d2, $cdf )

    public function testCDF($x, $d1, $d2, $cdf)
    {
        $this->assertEquals($cdf, F::CDF($x, $d1, $d2), '', 1.0E-5);
    }

FTest