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I'm looking for a way to fit an ordinal logistic and/or probit mixed model that includes random slopes. The only package for R I could find that allows for random effects at all in ordinal mixed models are the ordinal and ordinal2 packages, but only fitting of random intercept models is currently implemented in those packages.

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verify with the package maintainer whether that's old documentation, I think random slopes might have been added (although the documentation does say they're not there as of Sept.). – John Oct 30 '12 at 18:15
Does MCMCglmm do what you need? It has an ordinal family option available. – Matt Albrecht Oct 31 '12 at 14:27

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