Plotting an array of histograms

I have a dataset (of say values of X), each value associated
with a level of a factor F (25 levels in all), in a dataframe.

I want to make a single plot which contains 25 histograms of X,
one for each level of F and each one appropriately labelled.

(And, since there are 25 levels, a 5x5 array would be nice).

What's the trick in R, please?

Use the histogram function in the new 'lattice' package

	-thomas

Thomas Lumley			Asst. Professor, Biostatistics
tlumley at u.washington.edu	University of Washington, Seattle

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