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H2O v3.24.0.5 Release Notes

  • 🚀 Download at: http://h2o-release.s3.amazonaws.com/h2o/rel-yates/5/index.html

    Bug

    🛠 [PUBDEV-6387] - Fixed a segmentation fault that occurred when running XGBoost with booster=gblinear. [PUBDEV-6534] - Users can now rbind two frames when one frame contains all missing values in some of its columns. [PUBDEV-6549] - ClearDKVTask now detects shared resources when deleting frames and models. 🛠 [PUBDEV-6592] - Fixed a TypeError in Python debugging.

    New Feature

    🛠 [PUBDEV-6515] - Fixed an issue that caused MOJO loading to fail when categorical values contained a newline character. [PUBDEV-6530] - Users can now export a file directly to a compressed format (gzip) and choose a delimiter. [PUBDEV-6548] - Users can now specify which certificate alias to use when starting H2O with SSL. [PUBDEV-6582] - Added Conda install instructions to the download page. [PUBDEV-6591] - Users can now specify a custom separator for CSV export.

    Task

    🛠 [PUBDEV-6457] - Fixed GLM std-error and Tweedie calculations. [PUBDEV-6472] - Implemented dispersion factor optimization for Tweedie GLM.

    Improvement

    [PUBDEV-6458] - The MOJO Tree Visualizer and Tree API no longer show categorical splits as numeric and string. [PUBDEV-6508] - Improved the user experience with Target Encoding in R by providing more meaningful error messages. [PUBDEV-6520] - Users can now tokenize a frame to the Scala API to enable that using H2O's Word2Vec. 0️⃣ [PUBDEV-6525] - Defined several default values in the R API for Target Encoding. [PUBDEV-6527] - Improved the user experience with Target Encoding in Python by providing more meaningful error messages. 0️⃣ [PUBDEV-6529] - Set default values for blending hyperparameters in Target Encoding when using the Python client. 🛠 [PUBDEV-6533] - Fixed an issue that resulted in a "NaN undefined" label in the Flow cluster status. [PUBDEV-6538] - Exposed ClearDKVTask via REST API. ✅ [PUBDEV-6547] - H2O-3 now provides a warning when using MOJO prediction with a test/validation dataset that has missing columns. ⬆️ [PUBDEV-6575] - Upgraded the JTransforms library.

    📄 Docs

    [PUBDEV-6392] - Added a Best Practices sub section to Starting H2O in the User Guide. [PUBDEV-6473] - Added Target Encoding options to the Parameters appendix. ⚡️ [PUBDEV-6516] - Updated the description for the Tweedie family in the User Guide and in the GLM booklet. 🚚 [PUBDEV-6537] - Removed ologlog and oprobit from list of link options that can be specified in GLM. [PUBDEV-6568] - Upated documentation to indicate that predict_leaf_node_assignment is not supported with XGBoost. [PUBDEV-6596] - Added the new -jks_alias option to list of options that can be specified when starting H2O.