Start with
loc v "war income male PID education L.war_casualties L.dem_iraq_email
L.GOP_iraq_email L.dem_iraq_web L.GOP_iraq_web L.media_iraq"
su `v' if tin(2007m9, 2008m3)
xtsum `v' if tin(2007m9, 2008m3)
reg `v' if tin(2007m9, 2008m3)
logit `v' if tin(2007m9, 2008m3)
to help diagnose the problem with your data.
On Thu, Oct 1, 2009 at 10:57 PM, Mark Ludwig <[email protected]> wrote:
>
> sort id date
>
> . tsset id date, monthly
> panel variable: id (weakly balanced)
> time variable: date, 2007m7 to 2008m11
> delta: 1 month
>
> .
> . xtlogit war income male PID education L.war_casualties L.dem_iraq_email
> L.GOP_iraq_email L.dem
>> _iraq_web L.GOP_iraq_web L.media_iraq if tin(2007m9, 2008m3)
> number of quadrature points must be less than or equal to number of obs
> r(198);
>
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