"Gabor Grothendieck" <[EMAIL PROTECTED]> wrote: > Is this ok or is it what you are trying to avoid:
> factor(unlist(lapply(cutYield, as.character))) Thank you Gabor. The problem with that is what if some levels do not appear in any member of cutYield? In that case, the factor created above would contain fewer levels than those present in every member of cutYield. Cheers, -- Sebastian P. Luque ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html