8000 PERF: fix regression in creation of resulting index in RollingGroupby by jorisvandenbossche · Pull Request #38057 · pandas-dev/pandas · GitHub
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PERF: fix regression in creation of resulting index in RollingGroupby #38057

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Merged
merged 11 commits into from
Dec 1, 2020
Merged

PERF: fix regression in creation of resulting index in RollingGroupby #38057

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PERF: fix regression in creation of resulting index in RollingGroupby
jorisvandenbossche Nov 25, 2020
30fb295
Merge remote-tracking branch 'upstream/master' into perf-rolling-groupby
jorisvandenbossche Nov 30, 2020
fd9991c
add specific benchmark
jorisvandenbossche Nov 30, 2020
413d701
rename benchmark
jorisvandenbossche Nov 30, 2020
f785ca4
update test_groupby_rolling_nan_included
jorisvandenbossche Nov 30, 2020
19c9d3e
add more tests specifically about resulting MI
jorisvandenbossche Nov 30, 2020
062e298
add comment + simplify
jorisvandenbossche Nov 30, 2020
4546fd7
update test_groupby_rolling_empty_frame test - change dtypes of expec…
jorisvandenbossche Nov 30, 2020
9e9c8de
add whatsnew
jorisvandenbossche Nov 30, 2020
cf64f20
cleanup test
jorisvandenbossche Nov 30, 2020
485f399
simplify
jorisvandenbossche Dec 1, 2020
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update test_groupby_rolling_nan_included
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@jorisvandenbossche
jorisvandenbossche committed Nov 30, 2020
commit f785ca4dafc2317fb299b90de4066fd92396d48f
11 changes: 9 additions & 2 deletions pandas/tests/window/test_rolling.py
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Expand Up @@ -1085,8 +1085,15 @@ def test_groupby_rolling_nan_included():
result = df.groupby("group", dropna=False).rolling(1, min_periods=1).mean()
expected = DataFrame(
{"B": [0.0, 2.0, 3.0, 1.0, 4.0]},
index=MultiIndex.from_tuples(
[("g1", 0), ("g1", 2), ("g2", 3), (np.nan, 1), (np.nan, 4)],
# GH-38057 from_tuples puts the NaNs in the codes, result expects them
# to be in the levels, at the moment
# index=MultiIndex.from_tuples(
# [("g1", 0), ("g1", 2), ("g2", 3), (np.nan, 1), (np.nan, 4)],
# names=["group", None],
# ),
index=MultiIndex(
[["g1", "g2", np.nan], [0, 1, 2, 3, 4]],
[[0, 0, 1, 2, 2], [0, 2, 3, 1, 4]],
names=["group", None],
),
)
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