[R] Histogram with colors according to factor

From: Hans W. Borchers <hwborchers_at_googlemail.com>
Date: Tue, 08 Jul 2008 04:22:56 -0700 (PDT)

Given a data frame with a continuous variable and a factor. I would like to generate a histogram of the continuous variable, where each bar is filled with different colors according to the percentage of factor values falling into this region of the continuous variable.

I looked into packages like 'lattice' and 'ggplot2'. Searching R-help revealed that 'histogram' is spelled 'histogramm' in almost 2% of the time. I now know how to color whole bars, but did not find a solution for this specific kind of visualization.

Many thanks in advance, Hans Werner Borchers

Hans W. Borchers
ABB Corporate Research

Hans W. Borchers
ABB Corporate Research Germany
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