This should be something more like
gen long which = cond((_N - _n) < 10, _n - _N, _n)
sort which
Nick
[email protected]
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of Nick Cox
> Sent: 22 November 2002 19:23
> To: [email protected]
> Subject: st: RE: insert obs of one file at the beginning of
> another file
>
>
> Daniel M�ller
> >
> > I would like to insert observations (format: %12s) of one
> > variable of a file with 10 obs <head.dta> at the beginning
> > of several variables (converted to strings) of another file
> > <boss.dta> and shift the remaining observations from
> > <boss.dta> these 10 obs back. I appended <head.dta> to
> > <boss.dta>, then replaced every empty observation at the end
> > of <boss.dta>. But here I get stuck. How can I efficiently
> > put the string variables from the end to the beginning?
> >
> > P.S.: Speed is an issue as <boss.dta> has 1.7 mio obs!
>
>
> In the last sentence, Daniel means "observations" not
> variables (pers.comm.).
>
> gen long which = cond(_n <= 10, _N + _n, _n)
> sort which
>
> Nick
> [email protected]
>
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