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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