raters is considered the standard. Conditional kappa might be useful
for comparison with other studies. In this situation (no negatives by
the standard), it should be similar to the proportion of times the
fallible rater agrees with the standard.
-Steve
>Apparently, in Theron's table, only one rater declared that any
>samples were negative. If so, conditional kappa is zero (observed a =
>expected a) and his computation is finished.
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