[R] Changing the origin in polar.plot in plotrix package

[hadley wickham]

Hi John,

One alternative would be to use ggplot2 with a polar coordinate system:

library(ggplot2)
qplot(mpg, wt, data=mtcars) + coord_polar()
qplot(mpg, wt, data=mtcars, ylim=c(3,4)) + coord_polar()

etc.  You can see more examples of polar coordinates at
http://had.co.nz/ggplot2/coord_polar.html

although I'm still working on good axes etc for plots in polar coordinates.

Hadley

On 12/15/07, John Beamer <jrbeamer at gmail.com> wrote:
> I am trying to draw a polar plot, which is easy enough to do in the
> plotrix package through the polar.plot function.
>
> However I would like to change the origin of the length vector. For
> instance all my length values are between 75 and 85, so instead of
> having the origin as 0 (the default) I'd like it to be, say, 50.
>
> Is there any way do to this in the polar.plot function, or if not is
> there an additional package that will accomplish this.
>
> I am running R 2.5 and the latest version of plotrix.
>
> Thanks for your help
> John Beamer
> (http://www.hardballtimes.com)
>
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