Try this: split(data.frame(x, g), g)
On Fri, Feb 26, 2010 at 3:55 PM, rusers.sh <rusers...@gmail.com> wrote: > Hi, > I am using split function and wonder how to add the factor to the splitted > results. > #Example > n <- 3; nn <- 10 > g <- factor(round(n * stats::runif(n * nn))) #factor > x <- rnorm(n * nn) + sqrt(as.numeric(g)) #value > xg <- split(x, g) > xg > $`0` > [1] 0.82513702 -0.03911584 2.32955347 0.36745335 1.75572642 2.65461438 > 0.41675829 > $`1` > [1] 0.8583493 2.4264804 -0.3622378 3.1770015 0.5162129 > $`2` > [1] 1.7914651 1.1440121 0.8097543 1.2064742 1.6411988 1.3743778 1.7094387 > 2.1204501 1.9330132 2.0731997 > [11] 2.8931865 2.5825309 0.6978723 > $`3` > [1] 3.0246214 1.6870782 0.9685926 1.6449350 0.9378751 >> g > [1] 2 2 3 2 1 3 2 3 3 1 2 2 2 2 0 0 3 0 2 2 1 1 2 2 0 1 2 0 0 0 > Levels: 0 1 2 3 > > Anybody can tell me how to add the corresponding values of factor "g" to > the splitted results 'xg' to get a data frame? > Something like, > > Splitted/xg factor/g > 0.82513702 0 > -0.03911584 0 > 2.32955347 0 > ... > I know i can use "xg$'0',xg$'1',xg$'2',xg$'3'" to get the values of each > class and then add a new variable to indicate the factor. > But i hope to get a method to automatic do those things. Any ideas? > Thanks. > > > -- > ----------------- > Jane Chang > Queen's > > [[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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.
