Giulia Barbati wrote: > Hello, > using the Design library, and the following command (from the Harrell's book, > example at Ch.20): > > dd <- datadist(rx, age, wt, pf, pf.coded, heart, map, hg, sz, sg, ap, bm) > options(datadist=='dd')
That command doesn't appear in the book. The == should be a single = Frank > > I get the following error: > > Error in datadist == "dd" : comparison (1) possible only for atomic data or > list > > What does it means? > > thank you, > > giulia > > > > __________________________________________________ > > > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > -- Frank E Harrell Jr Professor and Chair School of Medicine Department of Biostatistics Vanderbilt University ______________________________________________ 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.
