statsmodels.miscmodels.count.PoissonGMLE.nloglikeobs

PoissonGMLE.nloglikeobs(params)[source]

Loglikelihood of Poisson model

Parameters:params (array-like) – The parameters of the model.
Returns:
Return type:The log likelihood of the model evaluated at params

Notes

lnL=ni=1[λi+yixiβlnyi!]