Release Notes v2022.05.05

Release Notes 2022-05-05

Major updates:

• Issue #1008 - Introduces Multi-dimensional ArrayView objects with indexing and slicing
• Issue #846 - Enables calling unique on lists/tuples of arrays and significantly improves performance of GroupBy on a large number of arrays
• PR #1313 - Adds functions for setting explicit categories and standardizing categories across multiple Categoricals and adds an N/A value to Categorical
• Issue #1280 - Adds multiarray setops support for all groupable types
• Issue #1086, #1282 - Adds SegArray register/attach and a generic ak.attach method
• Issues #1273 and #1310 - Incorporate akutil plotting and import akutil updates (Dataframe to handle aggregate ops, additional Series functionality, and addition of Accessor classes)
• Issues #1311, #1317, #1318, and #1339 - Fix bugs in array dtype on python lists, uint64 pdarray ops, string comparison with empty string, and Dataframe index with logical indexing
• PRs #1288, #1293, #1307, and #1299 and Issues #1303, #1324, #1229, and #1295 - Unify file reading functions into a single read function; add file_format keyword to read, save, and load functions; add a get_null_indices function for Parquet files; and improves efficiency of save

Minor fixes:

• Issue #1300 - Adds a candidate DataFrame Display and a benchmark to compare performance with the current method
• Issues #1275, #1199, and PR #1343 - Update Installation documentation for WSL, add dynamic versioning into docs, and add an arkouda talk to README
• Issues #1290 and #1325 - Update documentation for ak.histogram and add documentation for segarray setops
• Issues #1268, #1236, #1230, and #1286 - Clean up code in strings, dataframes, and groupby tests
• PR #1323 - Adds sanitizer check for C++ compilation in Makefile
• Issue #1315 - Adds better error handling in DataFrame.dtypes

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Auto-generated release notes

• Closes #1086, Generic Attach Method by @joshmarshall1 in #1269
• Closes #1268, Strings object name initialization by @joshmarshall1 in #1271
• Closes 1275 - Updates to install guide for WSL by @joshmarshall1 in #1278
• Closes #1236 - Cleanup of arange unnecessary arguments by @joshmarshall1 in #1281
• Closes #1230 - Updated mode.lower() in 'append' / 'truncate' by @joshmarshall1 in #1289
• Closes #1290 Add segarray setops to documentation. by @Ethan-DeBandi99 in #1291
• Closes #1286: test_broadcast_* issue in groupby_test by @pierce314159 in #1292
• Unify various file reading functions into a single read function by @bmcdonald3 in #1288
• Add a file_format keyword argument to save by @bmcdonald3 in #1293
• Closes #1280 - groupable support for multiarray setops by @Ethan-DeBandi99 in #1294
• Closes #1229 and #1295 - Updating save checks in parquet/hdf5 msg files to be more efficient by @joshmarshall1 in #1296
• Closes #1273 akutil.plotting to arkouda by @Ethan-DeBandi99 in #1285
• Add a get_null_indices function for Parquet files by @bmcdonald3 in #1299
• Resolves #1311: ak.array dtype bug for python lists by @pierce314159 in #1312
• Update strings object to match new save function convention by @bmcdonald3 in #1307
• Closes #1315 make DataFrame.dtypes handle missing cases better by @Ethan-DeBandi99 in #1316
• Resolves #1317 and #1318: Fix uint64 pdarray ops and String != '' bug by @pierce314159 in #1321
• Add sanitizer check for C++ compilation in Makefile by @bmcdonald3 in #1323
• Closes #1325 - update documentation for ak.histogram to reflect that bin edges are now returned by @Ethan-DeBandi99 in #1326
• Closes #1303 save pdarray parquet by @Ethan-DeBandi99 in #1309
• Closes #1282 SegArray Register/Attach by @Ethan-DeBandi99 in #1320
• Closes #1324 - load_all() use file_format by @Ethan-DeBandi99 in #1329
• Initial Multi-dim ArrayView by @pierce314159 in #1142
• Categorical updates by @reuster986 in #1313
• #1199 - Dynamic versioning for quickstart documentation by @joshmarshall1 in #1332
• Closes #1300 - Improve Performance of DataFrame Display by @Ethan-DeBandi99 in #1334
• Closes #1339 - Dataframe index set incorrectly on logical indexing by @Ethan-DeBandi99 in #1340
• Update README.md by @mhmerrill in #1343
• Closes #1310 - Import akutil updates by @Ethan-DeBandi99 in #1341
• 846 refactor unique to handle groupby by @reuster986 in #1330

New Contributors

• @joshmarshall1 made their first contribution in #1269

Full Changelog: v2022.04.15...v2022.05.05