7.2.3.3.1.3. statsmodels.genmod.families.family.Family.loglike¶

Family.loglike(endog, mu, scale=1.0)[source]¶

The loglikelihood function.

Parameters:	`endog` : array Usually the endogenous response variable. `mu` : array Usually but not always the fitted mean response variable.
Returns:	llf : float The value of the loglikelihood evaluated at (endog,mu). Notes This is defined for each family. endog and mu are not restricted to endog and mu respectively. For instance, the deviance function calls both loglike(endog,endog) and loglike(endog,mu) to get the likelihood ratio.