DOC: improve MultiIndex.is_monotonic_increasing/decreasing docstrings#65154
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Expand the minimal one-line docstrings to include a description of how monotonicity is evaluated for MultiIndex (lexicographic tuple comparison with tie-breaking), Returns, See Also, and Examples sections. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
mroeschke
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…-comparison * upstream/main: PERF: use lookup instead of hash_inner_join for merge with unique right keys (pandas-dev#64691) BUG : update `SeriesGroupBy.ohlc()` to honor `as_index=False` (pandas-dev#65141) PERF: Use DataFrame-level reductions in DataFrame.agg with list of funcs (pandas-dev#65031) DOC: document required external libraries in read_* I/O docstrings (pandas-dev#65143) DOC: improve MultiIndex.is_monotonic_increasing/decreasing docstrings (pandas-dev#65154) BUG: Raise ValueError for non-boolean numeric_only in DataFrame/Series reductions (GH#53098) (pandas-dev#65131) BUG: Timedelta.round() raises ZeroDivisionError when internal unit is 's' and target frequency is sub-second (pandas-dev#64836) ENH: Add replace method to Index (closes pandas-dev#19495) (pandas-dev#65099) PERF: improve StringArray.isna (pandas-dev#57733) BUG: read parquet files with older pytz (DEP: keep lower pytz minimum version) (pandas-dev#65133) DEPR: deprecate dates-with-datetime64 in _maybe_downcast_for_indexing (pandas-dev#64871) DOC: note that DataFrame.values is not writeable (pandas-dev#65142) CLN: Update groupby observed defaults (pandas-dev#65148) PERF: avoid materializing values[indexer] in Block.setitem (pandas-dev#64251) DOC: update GroupBy.sum/min/max See Also sections (pandas-dev#65144)
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Summary
MultiIndex.is_monotonic_increasingandMultiIndex.is_monotonic_decreasingto include a description of how monotonicity is evaluated for a MultiIndex (lexicographic tuple comparison with tie-breaking by subsequent levels),Returns,See Also, andExamplessections.closes #32179
Test plan
pytest pandas/tests/indexes/multi/ -k monotonic)🤖 Generated with Claude Code