I am working on a mixture model with family-level random effects. I would like to parameterize the random effects as independent across families each with a covariance matrix parameterized using the kernel trick (Gaussian Process Regression). Each family has a distance matrix \mathbf{D}_j (of potent…

How to Use Ragged Arrays for Matrices?

rsmall March 22, 2019, 3:31am 2

For a solution to this question see bgoodri’s answer on Is Ragged Array allowed in Stan?

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