hello,
the example below does not work. (i know it's not supposed, but it makes it
clear what i'm trying to achieve)
par(mfrow=c(2,1))
xyplot(y~x2|x1,data=dataframe1,pch=20)
xyplot(y~x2|x1,data=dataframe2,pch=20)
i know i could probably merge the two datasets and do something like
xyplot(y~x2|x1+dataset,data=merged)
any other suggestion?
thanks.
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