What statistical package would you recommend I use to calculate weighted kappa?

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Mehmet Sinan Iyisoy

You can use R to calculate weighted Kappa.

There are packages of R like 'irr','vcd' and 'psych' which can be used.

Help pages of those packages and the following links will provide help.

http://www.cookbook-r.com/Statistical_analysis/Inter-rater_reliability/

http://www.uni-kiel.de/psychologie/rexrepos/posts/interRaterICC.html

Rubén Daniel Ledesma

Dear Dean,

The "VassarStats: Website for Statistical Computation" provides some options for computing Kappa:

http://vassarstats.net/kappa.html

Hope it helps.