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Re: st: error message r(2000)


From   Ronán Conroy <rconroy@rcsi.ie>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: error message r(2000)
Date   Thu, 31 Mar 2005 13:14:27 +0100

louis boakye-yiadom wrote:

Dear All,
I get a "no observations" error message -r(2000)- when I execute a do file,
and I'm having difficulty determining what's going wrong. According to the
error message, I "have requested some statistical calculation and there are
no observations on which to perform it. Perhaps you specified if exp or in
range and inadvertently filtered all the data." I don't understand what is
meant by "filtered all the data". The line that generates the error message
is:
regress lnW `varlist' if migst1==0
To check whether there are actually no observations, I gave the following
command (and had the shown output):
count if migst1==0 & !mi(`varlist')
2720

Is there a non-numeric variable in there perhaps?

--

Ronan M Conroy (rconroy@rcsi.ie) Senior Lecturer in Biostatistics Royal College of Surgeons Dublin 2, Ireland +353 1 402 2431 (fax 2764) -------------------- Just say no to drug reps http://www.nofreelunch.org/

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