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st: Re: Updated ivreg2, xtivreg2 cluster option.

From   Kit Baum <>
Subject   st: Re: Updated ivreg2, xtivreg2 cluster option.
Date   Wed, 10 Feb 2010 09:50:58 -0500

There have been extensive changes in the handling of cluster() in this release. Please provide more detail on the problem you encountered, preferably in the context of a readily-available dataset such as those accessible via -webuse- or in the ivreg2 help file so that we can track down the bug.

You may use the prior version of Stata by installing the ivreg29 package. It is virtually the same as the last public version of ivreg2, and is maintained for the benefit of Stata 9.2 users. It works fine on Stata 10 and 11.


On Feb 10, 2010, at 2:33 AM, Sungbok wrote:

> I updated ivreg2 and xtivreg2 today. But it seems to have a bug in the option 
> of cluster(). Standard deviation is zero in my estimation. Please check this. 
> Is there any way to rollback to the prior version of ivreg2 and xtivreg2?

Kit Baum   |   Boston College Economics & DIW Berlin   |
                              An Introduction to Stata Programming  |
   An Introduction to Modern Econometrics Using Stata  |

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