Hans J. Baumgartner wrote
> I used the xi command to create time dummy variables.
> I would like to test their joint significance using the test command.
> Is there a way to avoid typing in all my dummies. (_Id_1980; _Id_1981;
> .... and so)
> Many thanks in advance
.. unab dummies: _I*
.. test `dummies'
should do the trick.
regards
uli
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