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How can I compute a Kappa reliability coefficient using SAS?
SAS added this statistic at release level 6.10 as an optional part of the FREQ procedure.
The command is:
PROC FREQ ;
TABLES var1 * var2 / AGREE ;
Assuming a standard usage as a test of inter-rater reliability, then each observation in the SAS dataset is an event, and "var1" and "var2" are the variables indicating each event's categorization by rater1 and rater2 respectively. The table produced by the crossing of var1 with var2 must be square.
For more information, click on the Help button in the SAS menu bar and scroll to SAS Help and Documentation.
If you have further questions, send E-mail to stats@ssc.utexas.edu.