I just checked, and it doesn't seem to have failed:

> model.lrm24$fail
[1] FALSE

Any other possibilities?




________________________________
From: Christos Argyropoulos <argchris@hotmail.com>

Sent: Sun, June 20, 2010 7:23:34 AM
Subject: RE: [R] "Unable to fit" error message from the lrm function in the rms library

   
Hi,

The error message you are getting (probably) means that the algorithm did not converge.  Did you check for convergence? (Look at the "fail" element of the returned lrm object)

Christos



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