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bag
2009 Jun 26
1
How to create separate plots for all combinations of some factors
Hi, All
I have a data frame as follows:
> data.class(tapes)
[1] "data.frame"
> names(tapes)
[1] "date" "loc" "class" "drp" "data" "scratch"
"reclaim" "total"
Date is a date; loc, class and drp are factors; the rest are numerics.
I want to generate separate plots by date for the