statsmodels.discrete.count_model.ZeroInflatedPoisson.loglikeobs

ZeroInflatedPoisson.loglikeobs(params)

Loglikelihood for observations of Generic Zero Inflated model

Parameters:params (array-like) – The parameters of the model. Returns:loglike – The log likelihood for each observation of the model evaluated at params. See Notes Return type:ndarray

Notes

\[\ln L=\ln(w_{i}+(1-w_{i})*P_{main\_model})+ \ln(1-w_{i})+L_{main\_model} where P - pdf of main model, L - loglike function of main model.\]

for observations \(i=1,...,n\)