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Important miscellaneous v4 updates #4577

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merged 31 commits into from
Mar 29, 2021

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brandonwillard
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@brandonwillard brandonwillard commented Mar 27, 2021

This PR implements missing values in v4.

Too many related fixes were needed before finishing the missing value support re-implementation, and, since a few are critical fixes, I'm going to change the topic of this PR and merge. I'll add the missing values re-implementation in a follow-up PR shortly.

@brandonwillard brandonwillard added this to the vNext (4.0.0) milestone Mar 27, 2021
@brandonwillard brandonwillard self-assigned this Mar 27, 2021
@ricardoV94
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In case this influences the re-implementation of missing values I would call your attention to this existing issue in V3: #4488 (comment)

Basically imputed missing values are not being automatically transformed in V3 which causes issues during sampling/ MAP estimation.

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brandonwillard commented Mar 27, 2021

Basically imputed missing values are not being automatically transformed in V3 which causes issues during sampling/ MAP estimation.

OK, we can change that here. I'm only refactoring things right now in an attempt to make the missing value mechanics more straightforward, but we can add that as a requirement—and as a test—to this new implementation.

@brandonwillard brandonwillard force-pushed the fix-missing-values branch 2 times, most recently from 285c61c to 96a9eca Compare March 29, 2021 03:13
@brandonwillard brandonwillard changed the title Implement missing values in v4 Important miscellaneous v4 updates Mar 29, 2021
@brandonwillard brandonwillard force-pushed the fix-missing-values branch 2 times, most recently from d7c68fe to 309295a Compare March 29, 2021 05:40
@brandonwillard brandonwillard merged commit d87d0d0 into pymc-devs:v4 Mar 29, 2021
@brandonwillard brandonwillard deleted the fix-missing-values branch March 29, 2021 14:59
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