nbinskekur

Skewness, kurtosis and kurtosis excess of the negative binomial distribution.

This m-file returns the kewness, kurtosis and kurtosis excess of the negative binomial distribution with parameters R and P. S, K and E are the size of the input argument.
Syntax: function [s,k,e] = nbinskekur(r,p)

Inputs:
r - predefined number of failures
p - probability parameter (probability of success)
Outputs:
s - skewness
k - kurtosis
e - kurtosis excess