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.
Thanks very much for any help.
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