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Re: st: empty dataset; display gives impossible answer
that was my first thought too, but it is not. Neither is UNIEKNR the 11th
and I would expect either two stata answers (because I asked display two
variables), or an error message, or just nothing.
It's just curiosity, it may not be important at all, but I would like to
Toyoto Iwata wrote:
> Sorry, perhaps this is my mistake.
> CL_NR was the eleventh variable. and Stata should be reporting
> its token.
> At 17:09 04/06/30 +0900, I wrote:
> > In case "CLPL =. "
> > .list (varlist you need for the diagnosis)
> > Toyoto
> > the "keep" I had an empty dataset, with only the names of all (about 50)
> > variables. Why than did "display <variable1> <variable2>" give an
> > answer, and what does it mean?
> > . dis _N
> > 8200
> > . keep if (FIRSTCAS==1 & CLPL~=1)
> > (8200 observations deleted)
> > . dis CL_NR UNIEKNR
> > 11
> > thanks for any thougts,
> > Annelies
> > --
> > A.M. Vos
> > dept. of Public Health
> > Erasmus MC
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dept. of Public Health
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