You can do it by subsetting or indexing r<-c(0,0,0,rnorm(10,10,5)) > mean(r) [1] 8.052215 > mean(r[r!=0]) [1] 10.46788
Weidong Gu On Tue, Jul 19, 2011 at 4:36 PM, Dimitri Liakhovitski <dimitri.liakhovit...@gmail.com> wrote: > Sorry if it's been discussed before - don't seem to find it. > I'd like to calculate a mean while ignoring zeros. > "mean" doesn't seem to have an option for that. > Any other function/package that could do it? > > Thanks for a pointer! > > -- > Dimitri Liakhovitski > marketfusionanalytics.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. > ______________________________________________ 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.
