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RE: st: radar graphics in stata


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: radar graphics in stata
Date   Fri, 25 Nov 2005 14:12:55 -0000

Belatedly, a couple of corrections: 

1. It seems that radar graphics and star graphics
are different. Crudely, radar seems to mean 
stars superimposed. Or perhaps just one star. 

2. Sorry for forgetting Scott's example code. 
That unintentionally reinforces a point I made
in another thread about gems in the archives 
that can get overlooked because they don't get 
beyond postings into FAQs or published programs
or papers. 

And a question: are these graphs really 
effective? Using a bunch of radii to 
represent a bunch of values is a clever way 
to map from many dimensions to two, but 
in practice I have a hard time reading off
any but the grossest contrasts. It's like 
Chernoff faces all over again: clever, but 
effective? Any experiences or arguments 
to the contrary? 

As some might guess, I much prefer parallel 
coordinate plots for what I see as the same 
problem. 

Nick 
n.j.cox@durham.ac.uk 

jheslava@supercabletv.net.co
 
> Thanks Scott, it was helpful. I had to edit the "do" file, 
> but it worked.
> Thanks Nick for the interest. 
> 
smerryman@kc.rr.com

> The example at:
> 
> http://www.stata.com/statalist/archive/2005-07/msg00272.html
> 
> may be helpful.

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