Nice example. Does anyone know if it is possible to use multiple aggregating functions with the melt/cast functions?
Cheers, Dylan On Monday 06 April 2009, Christian wrote: > A good package for this sort of questions is doBy, too. > > library(doBy) > summaryBy( tpdv + UM + qta ~ Materiale ,data=data,FUN=c(sum,length,mean)) > > regards, Christian > > > Hi, > > I ve been searching a lot in internet..but I can t find a solution > > Attached, you find a file. > > I need for each (Materiale, tpdv, UM) to find sum,avg and count > > My idea was to aggregate for the 3 parameters ..but I don t know how to > > get the numeric value (SUM,COUNT,AVG) I need. > > Can you help me? > > thank you > > > > http://www.nabble.com/file/p22905322/ordini2008_ex.txt ordini2008_ex.txt > > ______________________________________________ > 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. -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 ______________________________________________ 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.
