Dear Jorge, Yes, with "data=beta.final" in the lrm(), it worked. But I thought one of the reasons for datadist() is to make it unnecessary to specify the data frame in the lrm(). Maybe I am completely wrong here.
Thanks John --- On Thu, 7/9/09, Jorge Ivan Velez <jorgeivanve...@gmail.com> wrote: > From: Jorge Ivan Velez <jorgeivanve...@gmail.com> > Subject: Re: [R] datadist() in Design library > To: "array chip" <arrayprof...@yahoo.com> > Cc: "R mailing list" <r-help@r-project.org> > Date: Thursday, July 9, 2009, 6:55 PM > Dear John, > Have you tried it specifying the 'data' > argument as suggested in lrm help? > Try this: > lrm(Disease ~ gsct + > apcct + rarct, data = beta.final, x > = TRUE, y = TRUE) > > > HTH, > Jorge > > On Thu, Jul 9, 2009 at 6:46 PM, > array chip <arrayprof...@yahoo.com> > wrote: > > > > > Hi I got an error message using datadist() from Design > package: > > > > > library(Design,T) > > > dd <- datadist(beta.final) > > > options(datadist="dd") > > > lrm(Disease ~ gsct+apcct+rarct, x=TRUE, y=TRUE) > > Error in eval(expr, envir, enclos) : object > "Disease" not found > > > > All variables inclduing response variable > "Disease" are in the data frame > "beta.final", why then "Disease" can not > be found? I thought with datadist(), all variables are > presented to the model fitting functions. maybe I am wrong? > > > > > > thanks > > > > John > > > > ______________________________________________ > > R-help@r-project.org > mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, > reproducible code. > > > > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
