On Fri, Sep 28, 2007 at 12:13:46PM -0500, hadley wickham wrote:
> > Yes there is harm.  But to make bold lines, easy to read titles is fine.
> >   See the spar function in
> > http://biostat.mc.vanderbilt.edu/SgraphicsHints for a starter.  Also see
> > the setps, ps.slide, and setpdf functions in the Hmisc package.
> 
> I was interested to see that you have code for drawing scatterplots
> with multiple y-axes.  As far as I know the only legitimate use for a
> double-axis plot is to confuse or mislead the reader (and this is not
> a very ethical use case).  Perhaps you have a counter-example?
> 
> Hadley

It can be useful to see multiple timeseries on the same x (time) scale
but with different y scales for each to see if there are time-lag
correlations between different quantities


-- 
Daniel Lakeland
[EMAIL PROTECTED]
http://www.street-artists.org/~dlakelan

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