statsmodels.genmod.generalized_linear_model.GLM.score¶

GLM.score(params, scale=None)[source]¶

score, first derivative of the loglikelihood function

Parameters:¶

params : ndarray¶

Parameter at which score is evaluated.

scale : None or float¶

If scale is None, then the default scale will be calculated. Default scale is defined by self.scaletype and set in fit. If scale is not None, then it is used as a fixed scale.

Returns:¶

score – The first derivative of the loglikelihood function calculated as the sum of score_obs

Return type:¶

ndarray_1d