public void ValidateCumulativeDistribution(double a, double b, double x, double p)
{
var dist = new Beta(a, b);
Assert.That(dist.CumulativeDistribution(x), Is.EqualTo(p).Within(1e-13));
Assert.That(Beta.CDF(a, b, x), Is.EqualTo(p).Within(1e-13));
}
public void ValidateCumulativeDistribution(double a, double b, double x, double cdf)
{
var n = new Beta(a, b);
AssertHelpers.AlmostEqualRelative(cdf, n.CumulativeDistribution(x), 13);
AssertHelpers.AlmostEqualRelative(cdf, Beta.CDF(a, b, x), 13);
}
public double doCalc(double x)
{
if (x > 0)
{
return(Beta.CDF(_positiveAlpha, _positiveBeta, x));
}
else if (x < 0)
{
return((-1) * Beta.CDF(_negativeAlpha, _negativeBeta, (-1) * x));
}
return(x);
}
public static double BetaDist(double x, double alpha, double beta)
{
return(Beta.CDF(alpha, beta, x));
}