MathPHP\Probability\Distribution\Continuous\NoncentralT::CDF PHP Метод

    public static function CDF($x, int $ν, $μ)
    {
        Support::checkLimits(self::LIMITS, ['x' => $x, 'ν' => $ν, 'μ' => $μ]);
        if ($μ == 0) {
            return StudentT::CDF($x, $ν);
        }
        if ($x >= 0) {
            return self::F($x, $ν, $μ);
        }
        return 1 - self::F($x, $ν, -$μ);
    }