Hi, Is there a way to optionally include both data and parameters in a stan model? I have a model that I would like to allow random effects to be optionally included at a certain level. So I would need a way to optionally supply e.g. the priors information for the covariance matrix for the random…

Optional data and parameters

bbbales2 October 3, 2019, 2:15pm 2

I’m not sure about data, but this is possible for parameters (I think rstanarm and such depend on it: Short blog on conditional parameters in Stan)

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