statsmodels.genmod.families.family.NegativeBinomial.weights
-
NegativeBinomial.weights(mu)
-
Weights for IRLS steps
Parameters: mu : array-like
The transformed mean response variable in the exponential family
Returns: w : array
The weights for the IRLS steps
Notes
w
= 1 / (link?(mu
)**2 * variance(mu
))
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