[R] fastbw question

From: Peter Flom <flom_at_ndri.org>
Date: Wed 30 Mar 2005 - 23:36:33 EST


Hello

I am running R 2.0.1 on Windows, I am attempting to use Frank Harrell's 'fastbw' function (from the Design library), but I get an error that the fit was not created with a Design library fitting function; yet when I go to the help for fastbw (and also look in Frank's book Regression Modeling Strategies) it appears that fastbw should work with a model created with lm.....

Relevant code
<<<<<
model.borrow.logols<- lm(logborrow~age + sex + racgp + yrseduc +  needlchg + gallery + totni + inject + poly(year.of.int,3) + druginj + inj.years + HTLV3)

fastbw(model.borrow.logols)
>>>>

Thanks in advance

Peter

Peter L. Flom, PhD
Assistant Director, Statistics and Data Analysis Core Center for Drug Use and HIV Research
National Development and Research Institutes 71 W. 23rd St
www.peterflom.com
New York, NY 10010
(212) 845-4485 (voice)
(917) 438-0894 (fax)



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