statsmodels.genmod.generalized_linear_model.GLM.estimate_scale

GLM.estimate_scale(mu)[source]

Estimates the dispersion/scale.

Type of scale can be chose in the fit method.

Parameters

mu (array) – mu is the mean response estimate

Returns

Return type

Estimate of scale

Notes

The default scale for Binomial, Poisson and Negative Binomial families is 1. The default for the other families is Pearson’s Chi-Square estimate.