how to fit zero inflated poisson distribution what model coefficient is zero inflation what is the sigma of a poisson what is the sigma value in poisson? sigma vect what is the measure value for zero inflation why am i not able to fit a zero inflated poisson distribution? what to do instead what is zero inflation distribution which p value represents zero inflation in math why am I not able to fit a zero inflated poisson distribution? what model is a zero inflation distribution when you add zero to poisson, the p value is zero inflated poisson distribution what value does sigma need to be for poisson why can't i find the sigma for a zero inflation graph zero inflation model coefficients how to find zero inflation distribution zero inflation distribution why am I not able to fit a zero inflated poisson distribution? why can't i fit a zero inflated poisson distribution