Stan being used to study and fight coronavirus

The source and corrected draft and a small case study explaining how to code Andrew’s and my model in Stan is available in our diagnostic-testing repo on GitHub.

Every statistical model is an error model in some sense. Specifically, our model lets you perform inference using a hierarchical meta-analysis of the sensitivity and specificity at a specific existing site or at a newly created test site.

Code for published paper

that is to some (unclear) extent being used by the model relied upon by Dallas County health officials

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Has anyone tried Fractional differential equations on STAN for modeling diseases?