stan-dev / stan-dev/shinystan

diagnostics page doesn't load if `stan_used=FALSE`?

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@VeenDuco is already working on this.

Since Aug 7, 2020.

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Description

@VeenDuco something I noticed on the v3-alpha branch:

Part of the reason to allow sampler params and stuff to be specified when using the array method for as.shinystan() is to allow people running HMC/NUTS but not Stan to still get diagnostic info. However, if I use the "array" method for as.shinystan() and specify stan_used=FALSE then the "Diagnostics" page doesn't seem to load (it just stays blank). To verify this just change stan_used=FALSE in the new as.shinystan method for CmdStanMCMC objects that I added. So even though stan_algorithm="NUTS" and stan_method="sampling" and sampler_params are provided, it seems like stan_used=FALSE prevents it from loading diagnostics. Or is that just my computer?

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