On Sat, Mar 19, 2011 at 6:11 AM, Evans, David G (DFG) <david.ev...@alaska.gov> wrote: > Hi, > > >From the following code (tweaked from another user): > > > > variable<-sample(rep(1:2,100)) > > individual<-rep(1:3, length(variable)) > > group<-rep(LETTERS[1:2],length(variable)/2) > > mydata<-data.frame(variable,individual,group) > > individual<-as.factor(individual) > > group<-as.factor(group) > > histogram(~variable|individual+group) > > > > I get six panels, one for each of individuals 1-3 in group A and one > for each of individuals 1-3 in group B . > > What I want is three panels , one for each individual, but with A and B > paired in the same panel. I think the "groups="argument does this sort > of superposition for other lattice functions.
But not for histogram (intentionally). See http://tolstoy.newcastle.edu.au/R/e2/help/07/04/14490.html -Deepayan ______________________________________________ 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.