예제 #1
0
        private static double[] finiteDifferences(double[][] input, double[] output, bool stochastic)
        {
            var regression = new LogisticRegression(inputs: 2);
            var diff       = new FiniteDifferences(3);

            diff.Function = (x) =>
            {
                for (int i = 0; i < x.Length; i++)
                {
                    regression.SetCoefficient(i, x[i]);
                }

                return(regression.GetLogLikelihood(input, output));
            };

            return(diff.Compute(regression.Coefficients));
        }