Re: [R] bar plot colors

From: hadley wickham <h.wickham_at_gmail.com>
Date: Mon, 17 Dec 2007 15:14:12 -0600

> I have a question regarding colors in bar plots. I want to stack a
> total of 18 cost values in each bar. Basically, it is six cost types and
> each cost type has three components- direct, indirect, and induced
> costs. I would like to use both solid color bars and bars with the
> slanted lines (using the density parameter). The colors would
> distinguish cost types and the lines would distinguish
> direct/indirect/induced. I want the cost types (i.e. colors) to be
> stacked together for each cost type. In other words, I don't want all
> of the solid bars at the bottom and all of the slanted lines at the top.

What are you trying to achieve with such a plot? A stacked bar chart only allows easy comparisons of cumulative totals (eg. cost 1, or cost 1 + 2, or cost 1 + 2 + 3) and it will be very difficult to compare individual cost types or components within a type. You might want to think about a series of line plots instead.

Hadley

-- 
http://had.co.nz/

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Received on Mon 17 Dec 2007 - 21:17:27 GMT

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