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statsmodels.genmod.families.links.Log¶

class statsmodels.genmod.families.links.Log[source]¶

The log transform

Notes

call and derivative call a private method _clean to trim the data by machine epsilon so that p is in (0,1). log is an alias of Log.

Methods

__call__(p, **extra)

Log transform link function

Methods

deriv(p)

Derivative of log transform link function

deriv2(p)

Second derivative of the log transform link function

inverse(z)

Inverse of log transform link function

inverse_deriv(z)

Derivative of the inverse of the log transform link function

inverse_deriv2(z)

Second derivative of the inverse link function g^(-1)(z).

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    • Log

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