How to run generate quantities with PyStan

[WardBrian]

I wrote up the differences a while ago, which I believe are mostly still the situation:

CmdStanPy 1.0

Great question! I’ll do my best to summarize them: CmdStanPy is essentially a wrapper for CmdStan, and PyStan (since version 3) is dependent on something called httpstan. I think there is some merit in comparing directly the features of CmdStan and httpstan: CmdStan is always available for the latest version of Stan. Ideally, CmdStan can update and there is no change needed in the wrappers (like CmdStanPy) before you can use it. httpstan needs to be updated alongside Stan. CmdStan is a file…