I wrote:
> The second problem is that I wish to include a lagged term on the depvar.
> I know how to do this correctly (gen lag = l.edconch), but there are two
> problems here. First, there are gaps in the time series. Now I could use
> -tsfill-, but I want the lag to latch on the correct EDYEAR, rather than
> incorrectly onto a year for which there no elections. The second problem
> is that adding the lagged term knocks out a lot of the time dummies. Is
> there a way round this?
OK, I've found the solution to this, which I should have known:
. bysort pano (edyear): gen edid=_n if edmarker==1
Where EDMARKER is a -tag- variable marking out duplicates. Those
parentheses are very important! As I discovered, without them, Stata
generates a series of 1's. Then:
. tsset pano edid
Hopefully, this makes the rest of my post rather more digestible than it
was before!
CLIVE NICHOLAS |t: 0(044)191 222 5969
Politics |e: [email protected]
Newcastle University |http://www.ncl.ac.uk/geps
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