public CumulativeDistribution ( double x ) : double | ||
x | double | The location at which to compute the cumulative distribution function. |
Результат | double |
/// <summary> /// 확률 분포 계산을 위한 누적분포함수 /// </summary> /// <param name="x">The location at which to compute the cumulative distribution function.</param> /// <returns>the cumulative distribution at location <paramref name="x"/>.</returns> public double CumulativeDistribution(double x) { // TODO JVG we can probably do a better job for Cauchy special case if (Double.IsPositiveInfinity(_dof)) { return(Normal.CumulativeDistribution(_location, _scale, x)); } var k = (x - _location) / _scale; var h = _dof / (_dof + (k * k)); var ib = 0.5 * SpecialFunctions.BetaRegularized(_dof / 2.0, 0.5, h); return(x <= _location ? ib : 1.0 - ib); }