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RE: st: Re: Please help: command "pctile quant = yhat3, n('groups')" doesn't work!


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: Re: Please help: command "pctile quant = yhat3, n('groups')" doesn't work!
Date   Tue, 4 Oct 2005 10:14:38 +0100

For that matter, something like this should work 
too. 

. xtile groups = yhat3, nq(`= round(e(N)/100,1)')

If you feel you want to proceed step by step 
instead, that is undoubtedly very sensible. 

Nick 
n.j.cox@durham.ac.uk 

Ulrich Kohler
 
> in additon to what Friedrich Huebler said, also note that in 
> Stata 8, the 
> command sequence in question can be rewritten to 
> 
> . local groups = round(e(N)/100,1)
> . xtile groups = yhat3, nq(`groups')
> 
> in Stata 8 upwards. Hence, you don't need the -pctile- line.
 
Friedrich Huebler 

> > Try this:
> >
> > pctile quant = hut1, n(`groups')
> >
> > Note that the left and right single quotes are not the same.
> >
> > Friedrich Huebler
> >
> > --- Christian Beck <chr.beck@web.de> wrote:
> > > the above mentioned command line in a book by Kohler and Kreuter
> > > (written 2001) "Datenanalyse mit Stata" does not work in our
> > > Stata/SE 8.0.
> > >
> > > On our screen Stata says:
> > > --
> > > -> . pctile quant = hut1, n('groups')
> > > 1==0&1==0&`"'groups'"' invalid name
> > > r(198);

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