Oops, mistake, should be data = data - repmat(mean(data,1),[130 1 1 1]);
Sorry. On 5/29/06, Daniil Ivanov <[EMAIL PROTECTED]> wrote: > Hello, > > I'm trying to switch from Matlab to R-project, and having some difficulties. > I make a use of multidimensional matrices. For example, I need to extract > mean from one of the dimensions: > > % we have matrix data of size: 130 x 11 x 350 x 2 > data = data - repmat(mean(data,3),[130 1 1 1]); > > In R project I managed to do that in a very pervarsive way: > > # mean(data,3) in R > base <- apply(data,c(2,3,4),mean) > # repmat(...,[130 1 1 1]) > base <- rep(base,130) > dim(base) <- c(11,2,350,130) > base <- aperm(base,c(4,1,2,3)) > # data = data - repmat > data <- data - base; > > Could you please show me a more elegant way of doing the same in R :) > > Thanks, Daniil. > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
