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st: RE: -diplot- available on SSC

From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   st: RE: -diplot- available on SSC
Date   Mon, 13 Jun 2005 18:20:03 +0100

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. 

[email protected] 

> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of Nick Cox
> Sent: 13 June 2005 17:49
> To: [email protected]
> Subject: st: -diplot- available on SSC
> 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. 
> Nick 
> [email protected] 
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