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statsmodels.genmod.families.family.Tweedie.weights

Tweedie.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

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

© 2009–2012 Statsmodels Developers
© 2006–2008 Scipy Developers
© 2006 Jonathan E. Taylor
Licensed under the 3-clause BSD License.
http://www.statsmodels.org/stable/generated/statsmodels.genmod.families.family.Tweedie.weights.html