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PERF: Sparse Series to scipy COO sparse matrix #42925

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Merged
merged 19 commits into from
Sep 5, 2021
Merged

PERF: Sparse Series to scipy COO sparse matrix #42925

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cb82630
PERF: sparse_series_to_coo improvement
TLouf Aug 7, 2021
91560ea
Extend benchmark to two-level MultiIndex case
TLouf Aug 7, 2021
042dbbc
Test more properly the output
TLouf Aug 7, 2021
db7ebf9
Fix benchmark
TLouf Aug 7, 2021
e09d760
use pd.factorize
TLouf Aug 8, 2021
55a7d32
parameterie test over sort_labels
TLouf Aug 8, 2021
e013e82
add whatsnew entry
TLouf Aug 8, 2021
621b102
speedup of factorize with fast_zip
TLouf Aug 12, 2021
1fa16cc
add type hints
TLouf Aug 12, 2021
a5f093d
add docstring and comment on simple case
TLouf Aug 12, 2021
69f8651
add params and returns in docstrings
TLouf Aug 23, 2021
e420490
Merge branch 'master' into sseries-to-coo-perf
TLouf Aug 23, 2021
14cb2cc
add sort_labels performance tip in docstrings
TLouf Aug 24, 2021
1c617a9
Merge branch 'sseries-to-coo-perf' of https://github.com/TLouf/pandas…
TLouf Aug 24, 2021
7b2d13b
fix failing tests with future annotations import
TLouf Aug 29, 2021
48bc2ec
Merge branch 'master' into sseries-to-coo-perf
TLouf Aug 31, 2021
2d4a496
trim trailing whitespace
TLouf Aug 31, 2021
6c0ab67
fix for sparse series with notna fill_value
TLouf Sep 1, 2021
2acfe46
fix typo
TLouf Sep 1, 2021
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Merge branch 'master' into sseries-to-coo-perf
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@TLouf
TLouf authored Aug 23, 2021
commit e42049022a2e5ed3c5fd97ef5a0231521eb15e01
2 changes: 2 additions & 0 deletions doc/source/whatsnew/v1.4.0.rst
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Expand Up @@ -230,6 +230,8 @@ Performance improvements
- Performance improvement in constructing :class:`DataFrame` objects (:issue:`42631`)
- Performance improvement in :meth:`GroupBy.shift` when ``fill_value`` argument is provided (:issue:`26615`)
- Performance improvement in :meth:`DataFrame.corr` for ``method=pearson`` on data without missing values (:issue:`40956`)
- Performance improvement in some :meth:`GroupBy.apply` operations (:issue:`42992`)
- Performance improvement in :func:`read_stata` (:issue:`43059`)
- Performance improvement in :meth:`Series.sparse.to_coo` (:issue:`42880`)
-

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