[R] Target Plot?

Jim Lemon jim at bitwrit.com.au
Wed Feb 4 12:42:04 CET 2009

Jason Rupert wrote:
> I've done a little snooping around the R Gallery Site (http://addictedtor.free.fr/graphiques/) and the "Statistics with R" site (http://zoonek2.free.fr/UNIX/48_R/all.html), but I can't seem to find what I'm looking for.  
> Here is the type of plot I would like to draw:
> (1) 2-D three axis plot where each axis is separated by 120-degrees (would be great if the number of axis was configurable)
> (2) Would like the value at the origin of the axis to be configurable, and then have each axis to be increasing equally out from the origin, e.g. have the origin have a value of 0.5 and each axis increase from there
> (3) Would then like to be able to lay concentrically increasing circles over the axis so that they intersect each axis 
> (4) Data values would only lye on the axis.  
> I would like to put together this plot to show how far each variable is from the target variable, so I'm thinking this would be a target plot where the value of the target would be configurable.  (I guess normalization would have similar result, but I would like to show the actual values.)
> I guess the result would look kind of like a dart board or something similar. 
> Thank you for any insights that can be provided, especially if something like this already exist.  
Hi Jason,
Take a look at radial.plot in the plotrix package.


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