On Tue, Apr 03, 2012 at 02:21:36PM -0400, Val wrote: > Hi All, > > On the same data points > x=c(46, 125 , 36 ,193, 209, 78, 66, 242 , 297,45 ) > > I want to have have the following output as data frame > > x group group mean > 46 1 42.3 > 125 2 89.6 > 36 1 42.3 > 193 3 235.25 > 209 3 235.25 > 78 2 89.6 > 66 2 89.6 > 242 3 235.25 > 297 3 235.25 > 45 1 42.3 > > I tried the following code > > > dat <- data.frame(xc=split(x, cut(x, quantile(x, prob=c(0, .333, .66 ,1)))) > gxc <- with(dat, tapply(xc, group, mean)) > dat$gxc <- gxce[as.character(dat$group)] > txc=dat$gxc > > it did not work for me.
David Winsemius suggested to use ave(), when you asked this question for the first time. Can you have look at it? Petr Savicky. ______________________________________________ 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.
