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RE: st: RE: RE: Xtivreg2


From   "Schaffer, Mark E" <M.E.Schaffer@hw.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: RE: RE: Xtivreg2
Date   Mon, 3 Apr 2006 13:55:40 +0100

Also, what version of xtivreg2 are you using?  -which xtivreg2- will tell you.

--Mark 

> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu 
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of 
> Schaffer, Mark E
> Sent: 03 April 2006 13:52
> To: statalist@hsphsun2.harvard.edu
> Subject: RE: st: RE: RE: Xtivreg2 
> 
> 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: owner-statalist@hsphsun2.harvard.edu
> > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of 
> > kosak@gmx.de
> > Sent: 03 April 2006 13:34
> > To: statalist@hsphsun2.harvard.edu
> > 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
> > 
> > 
> >  --- 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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