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st: -tableplot-, -cipolate- updated on SSC


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: -tableplot-, -cipolate- updated on SSC
Date   Sun, 16 Oct 2005 19:06:12 +0100

Thanks to Kit Baum: 

-tableplot-
===========

The program -tableplot- has been updated on SSC. 
This program requires Stata 8. A brief description 
may be obtained by

. ssc desc tableplot

and a longer one by 

. ssc type tableplot.hlp 

This update follows an update to the sister 
program -tabplot- on 26 September. 

The principal changes are 

1. Remarks added on -by()- option. In the previous
version, -by()- was reasonably smart, but this 
was not explicit in the help. 

2. Support for -addplot()-. As said, -tableplot- 
requires just Stata 8, but if you are using Stata 
9 and wish to use -addplot()-, that will work. 

Thus, this update is only a little deal, but if 
you use -tableplot- you might want to keep up-to-date. 

-cipolate-
========== 

-cipolate- requires Stata 7. The update concerns 
explanation in the help of the fact that multiple 
values of the y variable specified for a given 
value of the x variable specified are averaged
as part of the interpolation. This feature echoes
exactly what the official -ipolate- command does
in that case, as was discussed recently in a thread on Statalist. 
Otherwise -cipolate- differs in that it offers 
cubic interpolation, not linear, and that it does not offer 
extrapolation. 

In each case, -ssc- may be used to install a 
copy, except by those with very old versions of 
Stata and those with restricted net access through 
Stata, for whom browser installation may be the 
only practical solution. 

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

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