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Re: st: Calculating Percent Agreement
From
Alan Acock <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: Calculating Percent Agreement
Date
Thu, 14 Feb 2013 10:27:58 -0800
Help lap should work
Sent from my iPhone
On Feb 14, 2013, at 10:20 AM, Lynne Morgan <[email protected]> wrote:
> Hi all,
> I have a data set based on a questionnaire similar to the one below. There are two entries for each object because each was rated twice. We would like to look at the percent agreement between the two questions but there were several raters so we just want to look at the differences for each question. In this case, I want to calculate that q1 has a % agreement of 66%, q2 agreement= 33% and q3 % agreement=100%.
>
> Because it is not by rater, I can't use the stata kappa command or kap. What is the best way to calculate this in stata? Or, what is the best way to transpose the data in order to use kappa?
>
> obs q1 q2 q3 dup
> 1 0 0 0 1
> 1 0 1 0 2
> 2 0 1 1 1
> 2 1 1 1 2
> 3 1 0 1 1
> 3 1 1 1 2
>
> Thanks so much,
> Lynne
>
> --
> Lynne Morgan, MPH
> Assistant Researcher
> Survey of the Health of Wisconsin
> University of Wisconsin, Madison
> (e) [email protected]
> (p) 608-821-1243
>
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