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Re: st: RE: RE: Xtivreg2


From   kosak@gmx.de
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: RE: Xtivreg2
Date   Mon, 3 Apr 2006 14:33:34 +0200 (MEST)

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


 --- Ursprüngliche Nachricht ---
> Von: "Schaffer, Mark E" <M.E.Schaffer@hw.ac.uk>
> An: <statalist@hsphsun2.harvard.edu>
> Betreff: st: RE: RE: Xtivreg2 (formerly: Two way Fixed Effects &
> Autocorrelation&  Heteroskedasticity)
> Datum: Mon, 3 Apr 2006 12:21:35 +0100
> 
> Indeed ... detective work can be fun, but not always. :)
> 
> Send the exact command you used and I'll see if I can work out what
> happened from that.
> 
> --Mark
> 
> > -----Original Message-----
> > From: owner-statalist@hsphsun2.harvard.edu 
> > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox
> > Sent: 03 April 2006 12:00
> > To: statalist@hsphsun2.harvard.edu
> > Subject: st: RE: Xtivreg2 (formerly: Two way Fixed Effects & 
> > Autocorrelation& Heteroskedasticity)
> > 
> > Please edit emails. I removed several previous emails from 
> > this, the whole thread it seems. 
> > 
> > Please show the experts 
> > 
> > 	!!! exactly what you typed !!! 
> > 
> > Nick
> > n.j.cox@durham.ac.uk 
> > 
> > kosak@gmx.de
> >  
> > > >Thank you again,Mark.
> > > I used xtrivreg2 and omitted (varlist2=varlist_iv) to 
> > estimate simple 
> > > fixed effect.I clustered on regions.Unfortunately I 
> > received the error 
> > > message:
> > > number of clusters must be greater than number of 
> > instruments.(using 
> > > Stata
> > > 8.2.)
> > > Any suggestions whats wrong ?
> > 
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> > 
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