Another way is the remix function of the remix package. On Monday, December 13, 2010, justin bem <justin_...@yahoo.fr> wrote: > A nice way to obtain summary for data is to use summary.formula in Hmisc > package. > > Justin BEM > BP 1917 Yaoundé > Tél (237) 76043774 > > > > > ________________________________ > De : Jim Lemon <j...@bitwrit.com.au> > À : effeesse <scarpin...@gmail.com> > Cc : r-help@r-project.org > Envoyé le : Lun 13 décembre 2010, 11h 23min 15s > Objet : Re: [R] descriptive statistics > > On 12/13/2010 09:04 PM, effeesse wrote: >> >> Hi. In a data set I have a variable that takes values from 1 to 14. For each >> subgroup of values of this variable, I would like to obtain some descriptive >> statistics of other variables present in the data set. I've been trying with >> a "for" loop but I couldn't get nothing. Could you please suggest me some >> lines? > > Hi effeesse, > Sure: > > testmat<-data.frame(sample(1:14,50,TRUE),rnorm(50),runif(50)) > by(testmat[,-1],testmat[,1],mean) > > Jim > > ______________________________________________ > r-h...@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. > > > > > [[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.
