[R] Recovering x/y coordinates from a scatterplot image

[Barry Rowlingson]

On Fri, Oct 15, 2010 at 9:46 PM, Rob James <aetiologic at gmail.com> wrote:
> Do I recall correctly that there is an R package that can take an image, and
> help one estimate the x/y coordinates?  I can't find the package, thought it
> was an R-tool, but would appreciate any leads.
>
> Thanks,

 I dont know an R package for this, but there are various programs to
do it, none of which I can ever remember the name once every six years
when I need it. Some searching on the internet has found this one:

http://plotdigitizer.sourceforge.net/

but doubtless there are others!

Barry