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knn
2002 Feb 05
2
Measures of agreement
...classification
(specifically, a Naive Bayes classifier and a kNN classifier) and I would
now like to calculate some inter-rater reliability scores. I have the data
in a PostgreSQL database, such that for each document, each measure (there
are 9) has three variables: ap_(measure), nb_(measure), and
knn_(measure). ap is me (Andrew Perrin), nb is Naive Bayes, and knn is
knn.
I have two questions:
1.) I have used the code in the Using R for Psychology... paper to
calculate Cohen's Kappa (kappaFor2). It returns a (fairly low) kappa, but
also some warnings I don't understand:
> kappaFor2(ap...