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nbinom.deriv()

statsmodels.genmod.families.links.nbinom.deriv

nbinom.deriv(p)

Derivative of the negative binomial transform

Parameters:

p : array-like

Mean parameters

Returns:

g?(p) : array

The derivative of the negative binomial transform link function

Notes

g?(x) = 1/(x+alpha*x^2)

Links:

http://statsmodels.sourceforge.net/stable/generated/statsmodels.genmod.families.links.nbinom.deriv.html

doc_statsmodels

2017-01-18 16:12:36

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