Dear R users,
Is it possible to have an overlap histogram plot? For example:
stuff <- data.frame(Mode = c("Land", "Air"), AgeGroup = c("Young", "Adult",
"Old"), Value = sample(1:300))
histogram( ~Value | AgeGroup * Mode, data = stuff, auto.key = TRUE)
Instead of having 2 * 3 panel, I want to have just 3 panel, overlapping the
"Mode" into the same panel.
I tried the following:
histogram( ~Value | AgeGroup, data = stuff, groups = Mode, auto.key = TRUE)
but I think it gave me incorrect result.
Any help is appreciated.
Thank you,
Ferry
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