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v0.5.2

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@qinxuye qinxuye released this 30 Sep 17:00
· 28 commits to v0.5 since this release
v0.5.2
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This is the release notes of v0.5.2. See here for the complete list of solved issues and merged PRs.

Highlights

  • Brand-new API fetch_log is implemented so that in a distributed environment, it helps users to fetch logs which output in custom functions without effort on client side. For more details, refer to #1564 .

New Features

  • DataFrame
    • Implements df.rebalance() (#1573)
    • Add support for {DataFrame,Series}.{where,mask} (#1579)
    • Add read_parquet support (#1581)
    • Add DataFrame.isin support (#1592)
    • Implements DataFrame.stack (#1594)
    • Add support for {DataFrame,Series,GroupBy}.{all,any} (#1601)
    • Add support for pearson coefficients (corr, corrwith and autocorr) (#1616)
  • Others
    • Implements fetch_log API (#1582)

Bug fixes

  • Fix the failure when fetching the result of Series.sum (#1585)
  • Fix failures of DataFrame reduction operators (#1595)
  • Fix error on fitting LGBMModel twice (#1599)
  • Add extra sort key in PSRS to make distinct pivot (#1613)
  • Fix build_faiss_index when some index type cannot be merged (#1614)
  • Fix train_test_split when some input is Series (#1615)
  • Fixes md.read_csv when dtypes is not inferred correctly (#1617)
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