There’s no observed argument in model1, is that a typo? When I add it everything runs fine.
In general, it can be more difficult to sample from priors using MCMC than from posteriors. See this discussion for details.
There’s no observed argument in model1, is that a typo? When I add it everything runs fine.
In general, it can be more difficult to sample from priors using MCMC than from posteriors. See this discussion for details.