Exercise: observer agreement about eye colour, answer 3


How could we improve the kappa statistic?

Suggested answer

We could allow for some of the disagreements being minor, perhaps matters of opinion, and others major, which we expect most people not to have. We can do this by use of weighted kappa.

Back to question.

To Martin Bland's home page.

This page maintained by Martin Bland.
Last updated: 21 July, 2008.

Back to top.