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| From | Nick Cox <njcoxstata@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: In unbalanced panel, make sure individuals begin in month X and end in month Y |
| Date | Mon, 10 Oct 2011 08:29:33 +0100 |
So, you look at the data before you work out your -if- condition. See e.g. -xtpatternvar- recently posted to SSC. Nick On Mon, Oct 10, 2011 at 2:48 AM, Richard Herron <richard.c.herron@gmail.com> wrote: > True, but I don't know when each firm enters or exits the sample, and > I want to discard as little data as possible. > > On Sun, Oct 9, 2011 at 20:46, Nick Cox <njcoxstata@gmail.com> wrote: >> An overall -if- could constrain any analysis to a the same time interval. >> >> Nick >> > * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/