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 – The weights for the IRLS steps Return type:array

Notes

\[w = 1 / (g'(\mu)^2 * Var(\mu))\]