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H2O v3.32.1.2 Release Notes

  • 🚀 Download at: http://h2o-release.s3.amazonaws.com/h2o/rel-zipf/2/index.html

    🐛 Bug

    [PUBDEV-7842] - Stacked Ensemble will no longer ignore a column if any base model uses it. [PUBDEV-7851] - Added a user-friendly reminder that the new explainability functions require newer versions of ggplot2 in R. [PUBDEV-7948] - NullPointerException error no longer thrown when used a saved and reloaded RuleFit model. [PUBDEV-7955] - Can now extract metrics from the validation dataset with a Rulefit Model. ✅ [PUBDEV-8076] - Fixed failures from Stacked Ensemble with Multinomial GLM within tests. 🛠 [PUBDEV-8077] - Fixed AutoML error when an alpha array is used for GLM. 🛠 [PUBDEV-8079] - Fixed “Rollup not possible" stats failure in GLM. [PUBDEV-8097] - H2O will now still start despite system properties that begin with ‘ai.h2o.’. 🌲 [PUBDEV-8098] - H2O exits without logging any buffered messages instead of throwing a NullPointerException when starting H2O with an invalid argument. [PUBDEV-8100] - ModelDescriptor field in MOJO is now Serializable. 🏗 [PUBDEV-8102] - AutoML no longer crashes if model builder produces H2OIllegalArgumentException in the parameter validation phase. [PUBDEV-8106] - Weights in GLM grid search is no longer used as features. 🛠 [PUBDEV-8120] - Fixed Stacked Ensemble MOJO for cases when sub-model doesn’t have the same columns as the metalearner. [PUBDEV-8125] - Efron-method now fully deterministic in CoxPH.

    👌 Improvement

    📜 [PUBDEV-8087] - User now allowed to specify the escape character for parsing CSVs. [PUBDEV-8092] - Added H2O reconnection script for intermittent 401 errors to R. 🙋 [PUBDEV-8101] - Added ‘ice_root’ error documented in FAQ. [PUBDEV-8118] - Added further regularization to the GLM metalearner.

    🆕 New Feature

    [PUBDEV-6249] - Warning now issued against irreproducible model when early stopping is enabled but neither score_tree_interval or score_each_iteration are defined. [PUBDEV-8023] - Encrypted files that contain CSVs can now be imported. [PUBDEV-8072] - Added guidelines for correct use of remove_collinear_columns for GLM. 👍 [PUBDEV-8111] - Support added for CDP 7.2.

    📄 Docs

    [PUBDEV-8067] - Added information about the path argument for exporting .xlsx files.