Hi Randall, Try also
sum( x==1 ) HTH, Jorge On Fri, Feb 26, 2010 at 9:40 AM, Randall Wrong <> wrote: > Dear R users, > > I want to count the number of ones in a vector x. > > That's what I did : length( x[x==1] ) > > Is that a good solution ? > Thank you very much, > Randall > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > [[alternative HTML version deleted]] ______________________________________________ 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.
