tapply(Measure,Month,mean)[as.character(Month)] -- Christophe Pallier (http://www.pallier.org)
On 5/22/07, Benoit Chemineau <[EMAIL PROTECTED]> wrote: > > Hello, > I have a basic problem but i can't figure it out with the > table underneath. I would like to compute monthly averages. > I would like to have the average measure for month #5 for the first > three rows (the same number in the first three lines) and the average > measure for month #6 for the last four rows ((the same number in the first > three lines) in a separate vesctor (let's call it 'result') > I tried to use a "while" statement inside a "for" loop but it doesn't > seem to work. > Can someone please help me with this ? > > Measure Month > 2.28 5 > 14.04 5 > 0.60 5 > 0.21 6 > 0.96 6 > 0.75 6 > 1.28 6 > > Thank you ! > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@stat.math.ethz.ch 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@stat.math.ethz.ch 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.
