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  • statsmodels.genmod.families.links.nbinom |

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)

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