> -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On Behalf Of Alaios > Sent: Monday, February 06, 2012 3:11 AM > To: peter dalgaard > Cc: R-help@r-project.org > Subject: Re: [R] R's memory capabilities > > Thanks a lot for your answer :) > actually I am converting a 256*256 image to a vector so to apply some 1-d > transformations. Is it possible to create in R a sparse matrix instead of > carrying all those zeros? > > So that means that I want to have a diagonal sparse matrix.. > > Thanks a lot > > Alex >
maybe look at ?as.vector. But it is really hard to know without knowing what you expect your "vector to look like or what transforms you will be doing. Hope this is helpful, Dan Daniel Nordlund Bothell, WA USA ______________________________________________ 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.
