Dear all,
I am now doing the logistic regression using R. (glm, family=binomial).
Besides the standardize summary statistics generated from R, I am also
interested in some more informations concerning the model fitting /
prediction etc; Particularly I am interested in "pseudo R squar" and "C
statistic". I searched the R- help and could only get very limited
information. (Post by Frank Harrell mentioning about "the somers2 or
rcorr.cens functions in the Hmisc library." ) However, I tried but still
could not get through it. Also I found someone mentioned about do it
manually.
Could someone give me a more detailed information on how I could get these
two summary statistics after performed the the logistic regression using
glm?
Thank you very much.
***********************************************
Xiaojing Wang PhD
Research Assistant Professor, Dept. of Oral Biology
School of Dental Medicine, University of Pittsburgh
Suite 500, Bridgeside Point
100 Technology Drive
Pittsburgh, PA 15219
Tel:412-648-9206 Fax:412-648-8779
Email:[EMAIL PROTECTED]
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