[R] Thinking about using two y-scales on your plot?

[Allen S. Rout]

"hadley wickham" <h.wickham at gmail.com> writes:

> Please read this first:
> http://www.perceptualedge.com/articles/visual_business_intelligence/dual-scaled_axes.pdf
>
> It's a reasoned discussion of why it's a bad idea and proposes some
> alternative methods.


I've read the article, and I'm not sure if I'm in violation. :)

I've got a series of graphs I generate in R to illustrate backup
activity.  These are scaled, primarily, in bytes.  But different
activities have different costs per byte, and I augment the bytes
scale with dollars.

http://docs.osg.ufl.edu/tsm/current/ext/UFEXCH-MBX01.AD.UFL.EDU-all.html

So the blue series corresponds to tbe blue dollars scale (and bytes)
and the green and red points correspond to the green scale (and
bytes).

Am I being naughty? 



- Allen S. Rout