?scale or ?sweep or ?lapply -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare [EMAIL PROTECTED] (801) 408-8111
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Mark Deacon > Sent: Friday, November 09, 2007 6:47 AM > To: [EMAIL PROTECTED] > Subject: [R] Recycling Rule > > Hi, I have an efficiency question. > > To centralise a dataset (in a data frame) I have been using: > > a <- mean(Data) > Data <- t(t(Data)-a) > > ...to force row-wise recycling. > > Is there a better/more efficient/more elegant way than > transposing the dataset twice? > > Thanks > [[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. > ______________________________________________ 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.
