Open toolgood opened 7 years ago
public static partial class ExcelFunctions { //public static double ChiDist(double x, double freedom) //{ // return Chi.PDF(x, freedom);//Is Error //} public static double ExponDist(double x, double rate, bool state) { if (state) { return Exponential.CDF(rate, x); } return Exponential.PDF(rate, x); } public static double HypgeomDist(int k, int draws, int success, int population) { return Hypergeometric.PMF(population, success, draws, k); } public static double NegbinomDist(int k, double r, double p) { return NegativeBinomial.PMF(r, p, k); } public static double LognormDist(double x, double mu, double sigma) { return LogNormal.CDF(mu, sigma, x); } public static double LogInv(double p, double mu, double sigma) { return LogNormal.InvCDF(mu, sigma, p); } public static double BinomDist(int k, int n, double p, bool state) { if (state == false) { return Binomial.PMF(p, n, k); } return Binomial.CDF(p, n, k); } public static double POISSON(int k, double lambda, bool state) { if (state == false) { return Poisson.PMF(lambda, k); } return Poisson.CDF(lambda, k); } public static double WEIBULL(double x, double shape, double scale, bool state) { if (state == false) { return Weibull.PDF(shape, scale, x); } return Weibull.CDF(shape, scale, x); } }
ChiDist failed, I do not know why it went wrong!
In Excel, "= CHIDIST (1,2)" shows 0.60653066 In the code "Chi.PDF (2, 1)" shows 0.60653065971263365
In Excel, "= CHIDIST (1,3)" shows 0.801251957 In the code "Chi.PDF (3, 1)" shows 0.4839414490382859
Thanks
ChiDist failed, I do not know why it went wrong!
In Excel, "= CHIDIST (1,2)" shows 0.60653066 In the code "Chi.PDF (2, 1)" shows 0.60653065971263365
In Excel, "= CHIDIST (1,3)" shows 0.801251957 In the code "Chi.PDF (3, 1)" shows 0.4839414490382859