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Re: st: variance components are not shown using xtmixed
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From |
[email protected] (Roberto G. Gutierrez, StataCorp) |
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To |
[email protected] |
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Subject |
Re: st: variance components are not shown using xtmixed |
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Date |
Mon, 16 Apr 2007 13:51:28 -0500 |
Tsui-o Tai <[email protected]> writes:
> I used xtmixed to run random-tntecept models. Somehow I could not get the
> variance components. The results indicated that "dzeros () not allowed" and
> "option notab not allowed". My results are shown in the following. Could
> anyone help me delect the problem? Thank you very much for your help.
[...]
These error messages seem to indicate that your Stata 9 ado files have
been corrupted or otherwise comprimised by some pre-Stata 9 versions of
these files. These error messages point out that you are getting pre-Stata
9 behavior for the commands -_diparm- and -ml model-, whereas -xtmixed- is
relying on Stata 9 behavior.
Another possibility is that you have altered your adopath so that the
pre-Stata 9 files are taking precedence where they should not be.
You should also make sure that your ado-files and executable are in sync.
Type -update query- and follow the instructions.
If after checking for the above, the problem persists, please write in to
tech support at [email protected].
--Bobby
[email protected]
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