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RE: st: trouble using _n-1


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: trouble using _n-1
Date   Tue, 25 Nov 2008 18:15:48 +0100

Joao,

please explain your idea a little more comprehensively: how does -assert-
further Joseph`s cause?


HTH
Martin


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Joao Ricardo F.
Lima
Sent: Tuesday, November 25, 2008 6:10 PM
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: trouble using _n-1

Joseph,

I think that this can do the trick:

by idcode: assert var1-var1[_N-1]==0

HTH,

Joao Lima

2008/11/25 Joseph Wagner <joseph.wagner@wright.edu>:
> I wish to use the program -concord- to perform an interrater reliability
for
> a rater.  The data is arranged as such:
>
> idcode      date    var1   var2
> --------------------------------------------
> person1   date    var1   var2
> person1   date    var1   var2
> person2   date    var1   var2
> person2   date    var1   var2
>
>
> there are too many variables and observations for me to -reshape- wide so
I
> thought that I could try this:
>
> bysort idcode date: concord var1 var1[_n-1]      since the data is arrayed
> as pairs of observations which I wish to compare
>
> but instead of working I get the following error: "_n unknown weight type"
>
> Am I forced to try some sort of piecewise -reshape- (sets of variables) or
> am I just doing this all wrong?
> *
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> *   http://www.ats.ucla.edu/stat/stata/
>



-- 
----------------------------------------
Joao Ricardo Lima, D.Sc.
Professor
UFPB-CCA-DCFS
Fone: +553138923914
Skype: joao_ricardo_lima
----------------------------------------
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