statsmodels.genmod.families.family.Family.weights¶

Family.weights(mu)[source]¶

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:¶

ndarray

Notes

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