statsmodels.discrete.truncated_model.TruncatedLFPoisson.hessian

TruncatedLFPoisson.hessian(params)

Generic Truncated model Hessian matrix of the loglikelihood

Parameters:
params : array-like

The parameters of the model

Returns:

hess – The Hessian, second derivative of loglikelihood function, evaluated at params

Return type:

ndarray, (k_vars, k_vars)

Notes