You've tried: v - r
On Fri, Oct 1, 2010 at 6:53 PM, yunjiangster <yunjiangs...@gmail.com> wrote: > > Hi, > I am looking for a one-liner code for the following situation > say I have a vector r of 0 and 1's, and another vector v of equal length. I > want to assign v[i]-1 to v[i] if r[i]=1, for all i. How would I do that > using mapply or any other batch processing keywords? thanks. > > John > -- > View this message in context: > http://r.789695.n4.nabble.com/element-wise-conditional-assignment-in-r-tp2951963p2951963.html > Sent from the R help mailing list archive at Nabble.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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[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.
