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Do models have probabilities or just possibilities?

15 January 2018

Andrew says: David:I don’t think it makes sense to talk of the probability of a model. See this paper with Shalizi for much discussion of this point.

David Bickel says: If models do not have probabilities, perhaps they have possibilities in the sense of possibility theory. For example, the possibility of a model might be a function of its adequacy according to a model checking procedure: Appendix B of https://goo.gl/5s7bS3

Source: Not everyone’s aware of falsificationist Bayes – Statistical Modeling, Causal Inference, and Social Science

Categories: Fragments, model checking, possibility theory