statsmodels.discrete.truncated_model.TruncatedLFPoisson.score_obs¶

TruncatedLFPoisson.score_obs(params)¶

Generic Truncated model score (gradient) vector of the log-likelihood

Parameters:¶

paramsarray_like

The parameters of the model

Returns:¶

scorendarray, 1-D

The score vector of the model, i.e. the first derivative of the loglikelihood function, evaluated at params