Accord.Statistics.Distributions.Univariate.TukeyLambdaDistribution.LogQuantileDensityFunction C# (CSharp) Method

        public double LogQuantileDensityFunction(double p)
        {
            double a = Math.Pow(p, lambda - 1);
            double b = Math.Pow(1 - p, lambda - 1);
            return Math.Log(a + b);
        }