[R] Using metric units in plots

Jim Lemon jim at bitwrit.com.au
Fri Jun 20 15:30:41 CEST 2008

On Fri, 2008-06-20 at 11:26 +0100, Prof Brian Ripley wrote:
> ...
> In base graphics there are a very few par()s that use inches (and I am 
> pretty sure that comes from the US unit as used in S, not the 'Imperial' 
> one -- see e.g. Wikipedia).  But those are rarely used.
My recollection of the Imperial and US units was that inches were the
same and only volumetric measures differed (despite the fact that the
USA officially adopted decimal measures long ago but didn't get around
to using them). Given the fairly rubbery definition of the inch, that
coincidence was pretty surprising.

And if you think inches are bad, check out "points".


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