logistf (1.22)
Firth's Bias-Reduced Logistic Regression.
http://cemsiis.meduniwien.ac.at/en/kb/science-research/software/statistical-software/fllogistf/
http://cran.r-project.org/web/packages/logistf
Fit a logistic regression model using Firth's bias reduction method, equivalent to penalization of the log-likelihood by the Jeffreys prior. Confidence intervals for regression coefficients can be computed by penalized profile likelihood. Firth's method was proposed as ideal solution to the problem of separation in logistic regression. If needed, the bias reduction can be turned off such that ordinary maximum likelihood logistic regression is obtained.
Maintainer:
Georg Heinze
Author(s): Georg Heinze [aut, cre], Meinhard Ploner [aut], Daniela Dunkler [ctb], Harry Southworth [ctb]
License: GPL
Uses: mgcv, mice
Reverse depends: mbmdr
Reverse enhances: MuMIn
Released 8 months ago.
4 previous versions
- logistf_1.21. Released about 4 years ago.
- logistf_1.20. Released over 4 years ago.
- logistf_1.10. Released over 7 years ago.
- logistf_1.06. Released over 11 years ago.
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