It’s been a while since I’ve used PyMC3 and now I cannot seem to get a working installation. I’m running into various issues with Theano. Is there a concrete, step-by-step guide for installing PyMC3 on Windows 10 64-bit? Is there a specific version of Python I should use? A specific distribution? T…

What kind of error you are seeing? There are a few threads on the discourse related to Windows install, for example: Errors in importing pymc3 - maybe give this a try?

my issue seems to be with getting Theano installed and working properly. after installing pymc3 as recommended, I get the errors below when trying to import theano (base) PS C:\WINDOWS\system32> conda install -c conda-forge pymc3 Collecting package metadata (repodata.json): done Solving environme…

I was able to get everything set up but it was a bit of a challenge. I’ll share the process here if it can help others I have Python 3.7.3 installed with the Anaconda distribution. Also, if you are doing this behind a firewall or on a work machine, you may need to disable SSL verification, and, run…

Reviving this thread to share my experience in case it benefits anyone. The solution above installing MinGW didn’t work for me, and from the looks of things the author themselves had problems with a Windows install several months later. I tried a bunch of different methods and all failed in one way …

Just a footnote on WSL2 and Ubuntu 20. When we specify the number of cores in pm.sample, in our set-up it’s ignored and all cores end up being used for some reason. This makes execution unstable. FYI. Will post a solution if we find one.

Hi @awhug , Thanks for sharing the process. I tried to apply it, however, when I import PyMC3, I get the following error: AttributeError: module 'arviz' has no attribute 'geweke'. Any idea how to solve that?

Unfortunately it didn’t, I had to downgrade PyMC3 to version 3.8 and arviz to version 0.11.0

Just checked. Appears to be working ok now.

Install PyMC3 and Theano Windows 10

Questions

awhug April 20, 2021, 7:30am 8

Looks like this issue has been reported previously - installing via conda-forge when you create the environment may help.

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Install PyMC3 and Theano Windows 10

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