Re: st: Using a scalar/macro for loop limit in building Sureg equations

["Martin Weiss" <martin.weiss1@gmx.de>]

Line for the server

Also see http://www.stata.com/statalist/archive/2008-10/msg00410.html

HTH
Martin
_______________________
----- Original Message ----- 
From: "Thomas Jacobs" <thomasjacobs@gmail.com>
To: <statalist@hsphsun2.harvard.edu>
Sent: Monday, November 03, 2008 11:45 PM
Subject: Re: st: Using a scalar/macro for loop limit in building Sureg 
equations


> Maarten,
>
> Thanks, both versions worked as you suggested.  Is there any reason
> why a scalar is a bad choice here?  I ask because of the wording you
> used about "insisting" upon it vs. "easier" to use a macro, etc.
>
> Tom
>
> On Mon, Nov 3, 2008 at 4:17 PM, Maarten buis <maartenbuis@yahoo.co.uk> 
> wrote:
> > --- Thomas Jacobs <thomasjacobs@gmail.com> wrote:
> > > summ Companies
> > > scalar Count = r(max)
> > >
> > > but I keep getting errors when I try to substitute Count into my
> > > forvalues statement:
> > >
> > > .
> > > . forvalues i=1/Count{
> > >   2.         local eqn "`eqn' (LnRtFiveYrMid`i'
> > > L(1/2).LnRtFiveYrMid`i' L(0/4).LnRtCDX LnRtC
> > > > MT LnRtTED L(0/2).LnRtStock`i') "
> > >   3. }
> > > invalid syntax
> >
> > If you insist on using a scalar in this context you can type:
> >
> > forvalues i = 1/`=scalar(Count)' {
> >
> > Easier is to store the count in a local:
> >
> > summ Companies
> > local Count = r(max)
> > forvalues i=1/`Count'{
> >
> > Hope this helps,
> > Maarten
> >
> > -----------------------------------------
> > Maarten L. Buis
> > Department of Social Research Methodology
> > Vrije Universiteit Amsterdam
> > Boelelaan 1081
> > 1081 HV Amsterdam
> > The Netherlands
> >
> > visiting address:
> > Buitenveldertselaan 3 (Metropolitan), room N515
> >
> > +31 20 5986715
> >
> > http://home.fsw.vu.nl/m.buis/
> > -----------------------------------------
> >
> >
> >
> > *
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>
>
>
> --
> Thomas Jacobs
> *
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