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BUG: resampling end date includes extra columns #62432

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BUG: resampling end date includes extra columns #62432

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11 changes: 11 additions & 0 deletions pandas/tests/resample/test_datetime_index.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2184,3 +2184,14 @@ def test_resample_A_raises(freq):
s = Series(range(10), index=date_range("20130101", freq="D", periods=10))
with pytest.raises(ValueError, match=msg):
s.resample(freq).mean()


def test_resample_closed_right_boundary_exclusion():
# https://github.com/pandas-dev/pandas/issues/62154
idx = date_range("2023-01-01 00:00:00", "2023-01-01 01:00:00", freq="30min")
s = Series([1, 2, 3], index=idx)
expected = Series(
[2], index=date_range("2023-01-01 00:00:00", periods=1, freq="1h")
)
result = s.resample("1h", closed="right", label="left").sum()
tm.assert_series_equal(result, expected)
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