Re: [R] classification table in logistic regression

2009-06-04 Thread Peter Flom
Frank E Harrell Jr wrote >Armida, > >I regret putting CTABLE as an option on the old SAS PROC LOGIS which was >a basis for PROC LOGISTIC. Classification tables are arbitrary and >misleading so I would stay away from them. > >You might build a model with and without the variable of interest and

Re: [R] classification table in logistic regression

2009-06-03 Thread Frank E Harrell Jr
Carbajal, Armida J wrote: Prof. Harrell, My name is Armida Carbajal, I'm a graduate student intern at Sandia National Laboratories (SNL) and am conducting some research for my thesis project at the University of New Mexico in Statistics for SNL. My project entails a logistic regression and I