Many thanks for all the quick replies...
On 14/04/2011 13:37, Hao Wu wrote: > you can use this instead, apply(g*h,1,sum) > > On Thu, Apr 14, 2011 at 7:28 PM, Thomas <thomas.tri...@cantab.net > <mailto:thomas.tri...@cantab.net>> wrote: > > Dear all, > > I am trying to implement the following in a loop: > g <- cbind(c(1, 2, 3), c(1, 2, 3)) > h <- cbind(c(1, 2, 3), c(1, 2, 3)) > c <- cbind(g[,1]*h[,1], g[,2]*h[,2]) > g<-rowSums(c) > > My attempt looks like this but does not produce the desired > results as above. > > for (i in 1:2) {g<- rowSums(cbind(g[,i]*h[,i]))} > > How do I do this correctly? > > Many thanks, > > Thomas > > ______________________________________________ > R-help@r-project.org <mailto: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.
