Hello all, I have recently trying to use PyStan in Windows and found out it’s installation is more difficult than I thought. I normally use PyCharm as my IDE and was hopping to use PyStan with it. However, most advice I saw on the internet suggested I installed Anaconda instead, which I believe it …

Alright, I installed Anaconda and following the windows instructions on the PyStan documentation to Windows and I managed to run PyStan in a conda environment. I’m still trying to work around the problems surrounding PyCharm and PyStan as I’d really like to use PyCharm. However, I’m already trying …

Hi @DjentMachine Did you resolve the issue? Are you able to use pystan on pycharm? Hi @bgoodri , Will I be able to install pystan on pycharm at present without any issues?

hi Murali, you could also try using CmdStanPy instead of PyStan - it has fewer package dependencies. https://cmdstanpy.readthedocs.io/en/latest/

Hi @mitzimorris thanks. this works on pycharm as well? I’m so much used to the IDE, so asking maybe I should try installing pystan first?

does the PyCharm IDE let you install packages from PyPi? if so, install package cmdstanpy. in the IDE, you should be able to install CmdStan on your machine via the install_cmdstan(). I haven’t used PyCharm, so I’d be interested to know if this works.

PyStan and CmdStanPy need to run in different virtual environments, and CmdStanPy requires Python3.

Pystan requires conda virtual environment right? I have been configuring that as of now

Hi, see this issue ImportError: DLL load failed: The specified module could not be found. opened 10:57AM - 30 Sep 18 UTC (UTC) closed 10:30AM - 15 Jul 19 UTC (UTC) [iMikeT] …

Hi @ahartikainen I am following that link. Btw, regarding the the C++ compiler; do I have to install again for MacOS? I have installed it recently while installing rStan

PyStan and PyCharm

Interfaces PyStan

jachymb May 31, 2026, 9:47pm 22

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PyStan and PyCharm

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