Thanks for summarising the thread. Note,
however, that Svend's solution also
included exactly what you asked for
(see bottom line of his message).
Nick
[email protected]
[email protected]
> Thanks all for answering me this. All provide me with very useful
> information. For future reference, I summarize each method. Matt's
> method generates the total count of occurances for each ID,
> but collapses
> the data. Svend sets a record number for each ID. Nick's method is a
> shortcut to what I am looking for. Thanks again.
> > Yet another way is
> >
> > egen totobs = sum(1), by(id)
> >
> > (what is the observation number? 1 + 1 + 1 + ...)
> >
> > or -- for slightly more subtle reasons --
> >
> > egen totobs = count(1), by(id)
> >
> > Nick
> > [email protected]
> >
> > Svend Juul
> >
> >> bysort id: generate nobs=_n
> >> bysort id: generate totobs=_N
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