Re: [R] plot y1 and y2 on one graph

From: hadley wickham <>
Date: Wed, 27 Feb 2008 19:48:41 -0600

> Now I would like to plot y1 and y2 on the same graph, with its two scales
> (y1 on left and y2 on rigth side).

Before you actually do that, you might want to think about if it's a good idea or not. Are you trying to deliberately mislead or confuse your readers? If so, it's a good idea, otherwise it's probably not.

You might want to read this "blast from the past": K. W. Haemer. Double scales are dangerous. The American Statistician, 2(3):2424, 1948.



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Received on Thu 28 Feb 2008 - 01:51:28 GMT

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