# Re: Re: st: looping from 1 to a number defined by a scalar

 From "Tom Trikalinos" <[email protected]> To [email protected] Subject Re: Re: st: looping from 1 to a number defined by a scalar Date Thu, 27 Dec 2007 15:39:15 -0500

```Nicola,
this beats me.

my Intercooled Stata 8.2 for Mac and Windows do run the code as I sent it...
Kabir's amendment does not run on my computer (WinXP SP1 --> r(198) error ).

all the best,

tom

On Dec 27, 2007 3:32 PM, Kabir Chabal <[email protected]> wrote:
> Drop the leading "=" before the ng in Tom's code:
>
> scalar ng = 63
> forvalues i=1/`ng' {
>     ...
>
>
> }
>
> On 12/27/07, [email protected] <[email protected]> wrote:
> > Same error.
> >
> > Nicola
> >
> > At 02.33 25/12/2007 -0500, "Tom Trikalinos" wrote:
> > >Subject: Re: st: looping from 1 to a number defined by a scalar
> > >
> > >try e.g.
> > >
> > >
> > >
> > >scalar ng = 63
> > >forval i=1/`=ng' {
> > >      // code
> > >      noi di " `i'. " _c
> > >}
> > >
> > >
> > >tom
> > >
> > >
> > >
> > >On Dec 24, 2007 12:15 PM,  <[email protected]> wrote:
> > >> I would like to create a loop from 1 to a number defined by a scalar, but:
> > >> . forvalues 1/ng {
> > >>   2.    mat p=inv((r1+vu)/ns[`i'])*r1
> > >>   3.    mat q=r2*(idd-p)
> > >>   4.    mat xtilde`i' = xmean*p +mux3*(idd-p)+dz*q
> > >>   5.    }
> > >> invalid syntax
> > >> r(198);
> > >>
> > >> However, ng = 63 so that the following works:
> > >> . forvalues 1/63 {
> > >>   2.    mat p=inv((r1+vu)/ns[`i'])*r1
> > >>   3.    mat q=r2*(idd-p)
> > >>   4.    mat xtilde`i' = xmean*p +mux3*(idd-p)+dz*q
> > >>   5.    }
> > >>
> > >> Anything shorter than...?
> > >> local i = 0
> > >> while `i' < ng {
> > >>   2.    local i = `i' + 1
> > >>   3.    mat p=inv((r1+vu)/ns[`i'])*r1
> > >>   4.    mat q=r2*(idd-p)
> > >>   5.    mat xtilde`i' = xmean*p +mux3*(idd-p)+dz*q
> > >>   6.    }
> > >>
> > >> Merry Xmas,
> > >> Nicola
> >
>
> > *
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> >
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```

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