search for: ghyper

Hello I am searching ghyper package (generalized hypergeometric distributions). Does anyone can send it to me? Regards from Mexico Lizbeth Román [[alternative HTML version deleted]]

...; me know the command syntax to find the mean of Beta Negative Binomial > Distribution for the following parameters: > > n=3 > alpha=0.5 > beta=3 > > Here is the documenation page for R which mentions this distribution > > http://rweb.stat.umn.edu/R/library/SuppDists/html/ghyper.html > > Using Mathematica, I get (-18) for the mean and -150 for the variance, > and wanted to verify this with R, since there is a negative sign which is > confusing me. > > Mathematica says the formula for the mean is n*beta/(alpha-1) and that > is why the negative sign...