NegativeBinomial.deriv()
statsmodels.genmod.families.links.NegativeBinomial.deriv
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NegativeBinomial.deriv(p)
[source] -
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)
© 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.links.NegativeBinomial.deriv.html