(apologies this is a bit of a cross post — I posted as a bambi github issue first before it occurred to me that pymc may have a more populated forum that might also be a better place since I’m not sure if this is user error or a bug) Hi All! New to Bambi, and really struggling with predicting. Can…

You could probably also upgrade to the latest bambi version (0.17). But seems like something with this formulae release might have broken the predict method when include_group_specific = True for earlier bambi versions? [image] Can't get predictions from Bambi. Encountering …

I’m not crazy! Thanks @bmele . Not sure why I’m on 0.16 — this is from a pretty recent conda install. Oh well! Thanks for the help.

Thanks @bmele for the solution!

Can't get predictions from Bambi. Encountering `ValueError: different number of dimensions on data and dims: 0 vs 2`

Questions version agnostic

bmele April 2, 2026, 7:27pm 3

I was running into the same error with bambi 0.16.0 but was able to fix by pinning to formulae 0.5.4.

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Can't get predictions from Bambi. Encountering `ValueError: different number of dimensions on data and dims: 0 vs 2`

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