Question: A model for agreement on an ordinal response partitions beyond-chance agreement into that due to a baseline association and a main-diagonal increment. For ordered scores

A model for agreement on an ordinal response partitions beyond-chance agreement into that due to a baseline association and a main-diagonal increment. For ordered scores {ua}, the model is

log Mab 3 A + A4 + л; + Ви, и, + d1(а %3D b).

a. Show that this is a special case of quasi-symmetry and of quasi-association (10.29).

b. Find the likelihood equations and show that {µÌ‚ab} and {nab} share the same marginal distributions, correlation, and prevalence of exact agreement.

log Mab 3 A + A4 + ; + , , + d1( %3D b).

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