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st: RE: RE: -diplot- available on SSC


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: -diplot- available on SSC
Date   Mon, 13 Jun 2005 21:27:02 +0100

Now fixed. Thanks to Kit Baum for that. 
Those interested please install or re-install
from SSC. 

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

Nick Cox
 
> Nick Winter has just spotted a very silly bug, 
> due to my not checking the consequences 
> of a last-minute change in syntax. Sorry 
> about that, and many thanks to him. 
> 
> Corrected files will be posted as soon 
> as possible. 

> > Thanks to Kit Baum, a -diplot- package 
> > is now available from SSC. Stata 9 is required. 
> > 
> > -di- stands for "double interval", which in 
> > turn is best explained by example. Many of my 
> > colleagues are interested in sea level change
> > over the last several thousand years. Standard
> > data include estimates of (y) what the sea level 
> > was (relative to present) at (x) various dates, but 
> > both these variables are measured with error. 
> > Consequently there is interest in showing 
> > interval estimates graphically on both of two 
> > quantitative axes. 
> > 
> > -diplot- supports various shapes, all of which 
> > depend on new -twoway- plottypes, added in Stata 9. 
> > 
> > Although not advertised as a possibility in the help, 
> > some may wish to experiment 
> > with this as a way of getting proportional symbols 
> > without using weights. Note, however, that the main
> > idea is specifying symbol sizes in terms of the 
> > data, not in terms of size of symbol on the graph. 

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