I just tried library(MASS) rlm(1:12+rnorm(12),1:12) it seems it works on vectors too, but maybe I miss something.
2011/9/6 Bos, Roger <roger....@rothschild.com>: > All, > > I have a function that runs a set of regressions (using the rlm > function) and I notice that it run much slower on my 64-bit R than it > does on my 32-bit R. I guess the bigger bit size slows it down. > Anyway, I looked into Rprof to see how I can speed it up. I saw that > 78% of the total time is spent in [.data.frame, so I tried converting my > data to a matrix using data.matrix, but then rlm complained that data > needs to be in the form of a data.frame. Am I stuck or is there still > maybe a way to speed up my function? > > Thanks, > > Roger > *************************************************************** > > This message is for the named person's use only. It may\...{{dropped:14}} > > ______________________________________________ > 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. > ______________________________________________ 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.