Hi, I’m relatively new to pymc3 but hope someone can help. I have a very large model. When I run it for most of my datasets, it works fine and samples without problems. However, with a few of my datasets, it works intermittently. It sometimes finishes successfully like the others, but often crashes…

"ValueError: Mass matrix contains zeros on the diagonal" error, how to debug?

junpenglao February 10, 2020, 8:04pm 2

You can find some pointer here: Frequently Asked Questions

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