This is a very straightforward question that has frustrated me over the last two days and maybe I am just missing an obvious error. I want to estimate polling errors for past US elections from polling data with errors being correlated across states. Elections are indexed by I, states by S. Xi is the…

Multivariate prior for hierarchical model; missing something?

Merlin_Heidemanns January 25, 2021, 11:37pm 15

So init = 0.1 works.

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