temp2 = tempr temp2[temp2<0] = 0 HTH
On Fri, May 28, 2010 at 8:37 AM, <ecvet...@uwaterloo.ca> wrote: > I have a data frame with both positive and negative values, and I want to > make all the negative values equal zero, so i can eventually take an > average. > I've tried > temp2 <- ifelse(tempr<0, 0, tempr) > but it doesn't seem to work. > > Any suggestions? > > Thanks! > > ______________________________________________ > 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.
