I tried your code with the rms package (replacement for the Design package; see http://biostat.mc.vanderbilt.edu/Rrms) and it worked fine.
Note that multiple imputation needs the outcome variable in the imputation model. Frank ----- Frank Harrell Department of Biostatistics, Vanderbilt University -- View this message in context: http://r.789695.n4.nabble.com/Error-message-in-fit-mult-impute-Hmisc-package-tp3022817p3023563.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
