statsmodels.discrete.truncated_model.TruncatedLFPoisson.hessian¶
- TruncatedLFPoisson.hessian(params)¶
Generic Truncated model Hessian matrix of the loglikelihood
- Parameters:
- paramsnumpy:array_like
The parameters of the model
- Returns:
- hess
ndarray
, (k_vars
,k_vars
) The Hessian, second derivative of loglikelihood function, evaluated at params
- hess