3.5.5.3.1.15. statsmodels.genmod.families.links.nbinom¶
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class
statsmodels.genmod.families.links.
nbinom
(alpha=1.0)[source]¶ The negative binomial link function.
Notes
g(p) = log(p/(p + 1/alpha))
nbinom is an alias of NegativeBinomial. nbinom = NegativeBinomial(alpha=1.)
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__init__
(alpha=1.0)¶
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3.5.5.3.1.15.1. Methods¶
__init__ ([alpha]) |
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deriv (p) |
Derivative of the negative binomial transform |
inverse (z) |
Inverse of the negative binomial transform |
inverse_deriv (z) |
Derivative of the inverse of the negative binomial transform |