Hey, Rajesh
I bit light on detail here. Being a mind reader is not an R-help
prerequisite. However since I have been working on histograms today and
you've just posted a question using ggplot, let me guess that its ggplot you
are refering to. Then here is an example, which you can find in my post a
few posts previous to yours. I've added scale_ commands to restrict the x
and y scales. Actually in this example both histograms get plotted on the
same y-scale automatically so that command can be removed.
Check out the ggplot on line reference http://had.co.nz/ggplot2/ and book
http://cran.r-project.org/web/packages/ggplot2/ggplot2.pdf
hth
require(ggplot2)
x - data.frame(value=rnorm(5000, mean=0), case=A)
y - data.frame(value=rnorm(5000, mean=3), case=B)
xy - rbind(x, y)
ggplot(xy, aes(x=value, fill=case, group=case)) + geom_histogram(alpha=0.5,
binwidth=0.1, position=identity) + scale_x_continuous(limits=c(-2,3)) +
scale_y_continuous(limits=c(0,250))
rajesh j wrote:
Hi,
I'm drawing two histograms in the same plot.However, my point of
comparison
is the difference in their x coordinates.But my problem is one histogram
is
much taller than the other.How can I get them both to the same height?
--
Rajesh.J
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