Release Notes v2024.02.02

Bug Fixes

• Issues #2647, #2650, #2661, #2666 - Fix bugs in filter, remove_repeats, append_single and get_jth for segarrays with empty segments
• Issue #2937 - Fixes string read bug for large Parquet files

Major Updates

• Issue #2853 - Adds df.merge on a mix of String and integer columns
• Issues #2862, #2863, #2871 - Implement histogram2d and histogramdd
• Issue #2927 - Adds power divergence statistic, chisquare, and xlogy
• Issues #2905, #2912, #2914, #2918 - Add isalpha, isalnum, isdigit, and isempty for Strings
• Issues #2888, #2878 - Add float support to in1d and groupby

Minor Updates

• Issues #2873, #2886 - Enable short strings optimization for multi-column groupby
• Issue #2894 - Adds dropna option to dataframe groupby
• Issue #2461 - Adds where argument to trig functions
• Issue #2430 - Adds shift equals for pdarray
• Issue #2831 - Aligns dataframe.groupby().size() and dataframe.groupby().sum() with pandas
• PRs #2829, #2865, #2876 - Add infrastructure and partial implementation of array API
• PR #2870 - Expands DataFrame initializer
• PR #2931 - Aligns Series indexing methods with pandas
• Issue #2909 - Renames is_upper/lower/title and to_upper/lower/title to match numpy

Auto-Generated Release Notes

• Scaffolding for multi-dimensional arrays by @jeremiah-corrado in #2829
• Closes #2836: Remove computeOnSegmentsWithoutAggregation by @pierce314159 in #2854
• Closes #2857: Move init methods to compat modules for 132 by @bmcdonald3 in #2858
• Closes #2855: Read batches for Parquet strings by @bmcdonald3 in #2856
• Closes #2853: df.merge on a mix of String and integer columns by @pierce314159 in #2859
• Closes #2862: Implement histogram2d by @pierce314159 in #2864
• Closes #2866: Fix empty domain creation for block arrays by @bmcdonald3 in #2867
• Close #2871: Fix numeric precision issue in testHistogram by @pierce314159 in #2872
• DataFrame initializer improvements by @brandon-neth in #2870
• Fixes #2666: Segarray.filter bug with empty segments by @pierce314159 in #2860
• Fixes #2661: segarray.remove_repeats bug with empty segments by @pierce314159 in #2861
• Closes #2863: Implement histogramdd by @pierce314159 in #2868
• Array creation perf patch by @jeremiah-corrado in #2869
• Closes #2875: Clean up deprecations in advance of 1.33 release by @bmcdonald3 in #2874
• Closes #2873: Short strings optimization for multicol groupby by @pierce314159 in #2877
• Only use tryCreateArray interface to create 1D arrays by @jeremiah-corrado in #2879
• Fix typo in #2879 by @jeremiah-corrado in #2882
• Closes #2878: Add groupby for floats by @pierce314159 in #2884
• Fixes #2883: Fix ambiguity in makeDistArray where clauses by @jeremiah-corrado in #2885
• Closes #2886: Cap small strs groupby optimization by @pierce314159 in #2887
• Closes #2888: Add in1d float support by @pierce314159 in #2889
• Fixes #2650: Fixes segarray.append_single with empty segments by @pierce314159 in #2891
• Closes #2461: Implementation of where feature for trig functions by @jaketrookman in #2851
• Fixes #2647: Segarray.get_jth bug with bool values by @pierce314159 in #2895
• Array API infrastructure and partial implementation by @jeremiah-corrado in #2865
• Closes ticket #2831 to align dataframe.groupby().size(), dataframe.groupby().sum() to pandas by @ajpotts in #2892
• Adjustments to remove some chpl unstable warnings by @jeremiah-corrado in #2890
• Fix CommAggregation build error on 1.32 by @jeremiah-corrado in #2900
• Closes #2901: Fix performance regression due to setting ndim field in sym entry by @bmcdonald3 in #2902
• Replace use of binary 'or' with logical 'or' by @DanilaFe in #2907
• Closes #2894 add dropna option to dataframe groupby by @ajpotts in #2904
• closes #2430 add shift equals for pdarray by @ajpotts in #2908
• Closes #2905 add strings isalnum by @ajpotts in #2910
• Closes ticket #2909 rename is_upper and similar ops to match numpy by @ajpotts in #2920
• Closes #2922: Pin pandas<2.2.0 to avoid CI failures by @pierce314159 in #2923
• Closes #2912 add isalpha for pdarray by @ajpotts in #2921
• Apply black formatter to array_api frontend code by @jeremiah-corrado in #2928
• Modify fix to performance regression in #2902 by @jeremiah-corrado in #2930
• Closes #2914-add-isdigit-for-pdarray by @ajpotts in #2925
• Make arkouda server configurable w.r.t. supported types by @jeremiah-corrado in #2876
• Indexing methods for Series by @brandon-neth in #2931
• Closes #2937 : Fix string read bug for large Parquet files by @bmcdonald3 in #2938
• Closes #2918 add isempty for pdarray by @ajpotts in #2933
• closes #2927 power divergence statistic by @ajpotts in #2932

New Contributors

• @ajpotts made their first contribution in #2892

Full Changelog: v2023.11.15...v2024.02.02