statsmodels.genmod.families.family.NegativeBinomial.weights

method

NegativeBinomial.weights(mu)

Weights for IRLS steps

Parameters

muarray-like

The transformed mean response variable in the exponential family

Returns

warray

The weights for the IRLS steps

Notes

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