On Wed, 24 Oct 2007, sun wrote: > Bear me if this is a naive question. > > I have a dataframe, all lists inside it are factors. When I use
Do you mean 'all columns are factors'? A data frame is a list but usually does not contain lists. > as.matrix(df) to convert, I get a character matrix while my intention is to > get numeric matrix. I can make the convertion iteratively by each list but > I do think there is some more elegant way of doing this. > > please let me know if I missed somthing there. ?data.matrix may be what you are looking for: you gave us too little detail to be sure. -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ 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.
