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Re: st: Re: Question about Stata


From   Richard Williams <Richard.A.Williams.5@ND.edu>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>, msyrotenko <msyrotenko@eerc.kiev.ua>
Subject   Re: st: Re: Question about Stata
Date   Fri, 20 Mar 2009 08:59:20 -0500

At 07:12 AM 3/20/2009, Kit Baum wrote:
<>
Mykhailo,

I cannot test the capabilities of -dtobit- because that routine
(updated for sg144_1, from SJ 4:3) does not run the example in its
help file:

.  tobit mpg trunk weight, ll(17)
...
.  dtobit
[_se] not found
r(111);


Apparently some changes made to -tobit- have broken -dtobit-.

A lot of post-estimation commands got zapped in Stata 9 when Stata changed the way results from some estimation commands got stored (e.g. ologit). One solution is to use version control:

sysuse auto
version 8: tobit mpg trunk weight, ll(17)
dtobit

Even if a post-estimation command has been very good about including version commands in its code, it is still at the mercy of changes made in the estimation command, so sometimes you need to use version control on it too.




-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
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EMAIL:  Richard.A.Williams.5@ND.Edu
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