[R] Standardized logistic regression coefficients

Iasonas Lamprianou lamprianou at yahoo.com
Fri Sep 10 13:21:01 CEST 2010


Dear all,

I am looking for ways to compute standardized logistic regression coefficients. I found papers describing at least 6 different ways to standardize logistic regression coefficients. I also found a very old (Thu May 12 21:50:36 CEST 2005) suggestion by Frank E Harrell (one of the colleagues who frequently contribute on this list) saying...

Design doesn't implement those because they have terrible properties. 
Instead consider interquartile-range odds ratios (done by summary.Design 
by typing summary(. . .)).


1. Is this still the case, or is there any package today in R which computes some sort of standardized logistic regression coefficients widely accepted by the community? 

2. Also, if anyone knows, how can I implement this interquartile-range odds ratios of the Design package? I checked on the manual and found no reference to interquartile-range odds ratios

Thanks



Dr. Iasonas Lamprianou


Assistant Professor (Educational Research and Evaluation)
Department of Education Sciences
European University-Cyprus
P.O. Box 22006
1516 Nicosia
Cyprus 
Tel.: +357-22-713178
Fax: +357-22-590539


Honorary Research Fellow
Department of Education
The University of Manchester
Oxford Road, Manchester M13 9PL, UK
Tel. 0044  161 275 3485
iasonas.lamprianou at manchester.ac.uk






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