[EpiData-list] Select top 3 among 8

epidata-list at lists.umanitoba.ca epidata-list at lists.umanitoba.ca
Mon Aug 5 02:01:32 CDT 2013


Yeah, I tried that but the syntax was too long and EpiData cuts it after a
few characters.
What I'm trying to do now is to program it in the consistency bloc. These
are the commands I've used:

after record
ignoremissing
if V1 + V2 + V3 + V4 + V5 + V6 + V7 + V8 <>12 then
help "There may be an error when choosing the top 3 options"
goto V1
endif
end

consistency block
report ID
check "There may be an error when choosing the top 3 options"
(2^V1+2^V2+2^V3+2^V4+2^V5+2^V6+2^V7+2^V8=14)
end

What do you think about that? Can I use shorter commands?

Thanks for your help.
Regards...

Serge
2013/8/5 <epidata-list at lists.umanitoba.ca>

> Here is one way to do this.
>
> v1
>  range 1 3
>  after entry
>  if v1 <> . then
>   if (v1 = v2) or (v1 = v3) or (v1 = v4) or (v1 = v5) or (v1 = v6) or (v1
> = v7) or (v1 = v8) then
>    help "You cannot have two choices the same."
>    v1 = .
>    goto v1
>   endif
>  endif
>  end
> end
>
> v2
>  range 1 3
>  after entry
>  if v2 <> . then
>   if (v2 = v1) or (v2 = v3) or (v2 = v4) or (v2 = v5) or (v2 = v6) or (v2
> = v7) or (v2 = v8) then
>    help "You cannot have two choices the same."
>    v2 = .
>    goto v2
>   endif
>  endif
>  end
> end
> ---- add v3-v8 here in the same fashion ---
>
>
> Jamie
>
> On 2013-08-04, at 12:39 PM, epidata-list at lists.umanitoba.ca wrote:
>
> > I have a small constraint in my chk file and I wonder how I could program
> > it.
> > I have 8 options (8 variables V1 - V8). Interviewers are asked to chose
> > their top 3 options. So that the legal values are 1, 2, 3 and there must
> > not be the same value twice. I dont know how to write short instructions
> to
> > check that.
> > Thanks for your advices.
> >
> > Serge.
>
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> EpiData-list at lists.umanitoba.ca
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>



-- 


 *M. Aymar Serge SOMDA, MSc.
**Biostatisticien*

*

Responsable du Centre de Calcul
Centre MURAZ
Bobo Dioulasso, Burkina Faso
http://www.centre-muraz.bf/

Bureau des Essais cliniques
Institut Claudius Regaud
Toulouse, France
http://www.claudiusregaud.fr/

*

*

*


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