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.
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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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