Hi all,

I’d like to announce the debut of the “Online Kappa Calculator.” It calculates free-marginal and fixed-marginal kappa–a chance-adjusted measure of interrater agreement–for any number of cases, categories, or raters. Roman and Nikko will appreciate this; now we don’t have to do these calculations the hard way!

Thanks to Walubengo M. Singoro for his fantastic programming work on this.

Check out:

http://justus.randolph.name/kappa

I’m going on vacation to the States tomorrow. If you have any comments, I’ll get back to you in a few weeks. Is anyone else interested in creating a collection of calculators for obscure, but intensely useful, statistics? I have ideas for many student programming projects along this line.

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