pmlr: Penalized Multinomial Logistic Regression
Version 1.0

Extends the approach proposed by Firth (1993) for bias reduction of MLEs in exponential family models to the multinomial logistic regression model with general covariate types. Modification of the logistic regression score function to remove first-order bias is equivalent to penalizing the likelihood by the Jeffreys prior, and yields penalized maximum likelihood estimates (PLEs) that always exist. Hypothesis testing is conducted via likelihood ratio statistics. Profile confidence intervals (CI) are constructed for the PLEs.

Getting started

Package details

AuthorSarah Colby <[email protected]>, Sophia Lee, Juan Pablo Lewinger, Shelley Bull <[email protected]>
Date of publication2010-04-02 17:08:39
MaintainerSarah Colby <[email protected]>
LicenseGPL (>= 2)
Version1.0
Package repositoryView on CRAN
Installation Install the latest version of this package by entering the following in R:
install.packages("pmlr")

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pmlr documentation built on May 30, 2017, 7:48 a.m.