statsmodels.discrete.count_model.ZeroInflatedNegativeBinomialP.loglikeobs¶
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ZeroInflatedNegativeBinomialP.
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 \(i=1,...,n\)