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@penelopeysm penelopeysm commented Nov 3, 2025

See TuringLang/DynamicPPL.jl#1087 (comment), this is the implementation of option (1) from that comment, as discussed in our developer meeting earlier.

I think it makes more sense to use to_samples and from_samples instead of from_chains and to_chains, it reads better.

There are additional bits of AbstractChains interface in #180, but I don't want that to hold this up, because this functionality is semi-urgently needed in DynamicPPL.

Specifically, there is currently no easy way to obtain a Dict of parameters from MCMCChains. Combined with the fact that you can now only reliably initialise parameters using InitFromParams(::Dict), this means that there is no easy way to initialise sampling from one row of MCMCChains.Chains.

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github-actions bot commented Nov 3, 2025

AbstractMCMC.jl documentation for PR #184 is available at:
https://TuringLang.github.io/AbstractMCMC.jl/previews/PR184/

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I agree on this being a better name.

@penelopeysm penelopeysm merged commit 390012e into main Nov 5, 2025
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@penelopeysm penelopeysm deleted the py/tofrom branch November 5, 2025 10:42
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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (e58f735) to head (12f8bf0).
⚠️ Report is 1 commits behind head on main.

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3 participants