- yes,in this reduced form equation are only 25 regressors.
-when i drop weights,i receive the same error message.
Max>
--- Urspr�ngliche Nachricht ---
> Von: "Schaffer, Mark E" <[email protected]>
> An: <[email protected]>
> Betreff: RE: st: RE: RE: Xtivreg2
> Datum: Mon, 3 Apr 2006 13:51:48 +0100
>
> Max,
>
> That looks like it might be a bug. Am I correct to think that there are
> only 25 regressors?
>
> One other question - what happens if you omit the weight command?
>
> --Mark
>
> > -----Original Message-----
> > From: [email protected]
> > [mailto:[email protected]] On Behalf Of
> > [email protected]
> > Sent: 03 April 2006 13:34
> > To: [email protected]
> > Subject: Re: st: RE: RE: Xtivreg2
> >
> > o.k.
> >
> > the exact command is:
> >
> > xtivreg2 wage bild aerfahrung d_ajahr1- d_ajahr23 [aweight=weight],fe
> > i(region) t(ajahr) robust cluster (region)
> >
> > wage: average wage per region
> > number of regions:72
> > number of observations:1900
> > error message:number of clusters must be greater than number
> > of instruments
> >
> > Best,
> > Max
> >
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