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Add nutpie support #78

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Merged
michaelosthege merged 2 commits into from
Mar 25, 2025
Merged

Add nutpie support #78

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1d3cedb
add option for nutpie with init_means instead of initvals
Y0dler Mar 20, 2025
7cbb944
change importlib import and pre-commit
Y0dler Mar 24, 2025
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28 changes: 20 additions & 8 deletions bletl/growth.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import importlib.util
import logging
from typing import Dict, Optional, Sequence, Tuple, Union

Expand Down Expand Up @@ -131,14 +132,25 @@
**sample_kwargs
optional keyword-arguments to pymc.sample(...) to override defaults
"""
sample_kwargs = dict(
return_inferencedata=True,
target_accept=0.95,
init="adapt_diag",
initvals=self.theta_map,
tune=500,
draws=500,
)
if importlib.util.find_spec("nutpie"):
sample_kwargs = dict(

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return_inferencedata=True,
target_accept=0.95,
nuts_sampler="nutpie",
init="adapt_diag",
init_means=self.theta_map,
tune=500,
draws=500,
)
else:
sample_kwargs = dict(

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return_inferencedata=True,
target_accept=0.95,
init="adapt_diag",
initvals=self.theta_map,
tune=500,
draws=500,
)
sample_kwargs.update(kwargs)
with self.pmodel:
self._idata = pm.sample(**sample_kwargs)
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