PoissonBayesMixedGLM.
vb_elbo_grad_base
Return the gradient of the ELBO function.
See vb_elbo_base for parameters.
statsmodels.genmod.bayes_mixed_glm.PoissonBayesMixedGLM.vb_elbo_grad
statsmodels.genmod.bayes_mixed_glm.BayesMixedGLMResults