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Changelog History
Page 2

  • v3.32.1.4 Changes

    πŸš€ Download at: http://h2o-release.s3.amazonaws.com/h2o/rel-zipf/4/index.html

    πŸ› Bug

    • πŸ›  [PUBDEV-8226] - Fixed h2odriver invalid argument error on Java 11.
    • [PUBDEV-8224] - Fixed GLM GRADIENT_DESCENT_SQERR Solver validation.
    • ⬆️ [PUBDEV-8219] - Upgraded to latest version of Javassist (3.28).
    • πŸ›  [PUBDEV-8207] - Fixed H statistic gpu assertion error.
    • πŸ›  [PUBDEV-8195] - Fixed predict contributions failure in multi-MOJO environments.
    • πŸ›  [PUBDEV-8194] - Fixed bug in ordinal GLM class predictions.
    • πŸ›  [PUBDEV-8188] - Fixed Partial Dependent Plot not working with Flow.
    • ⚑️ [PUBDEV-8181] - Updated to current Python syntax.
    • πŸ›  [PUBDEV-8167] - Fixed bug in ordinal GLM class predictions.

    πŸ‘Œ Improvement

    • πŸ‘ [PUBDEV-8141] - Added support for refreshing HDFS delegation tokens for standalone H2O.

    πŸ†• New Feature

    • [PUBDEV-8109] - Obtained Friedman’s H statistic for XGBoost and GBM.

    Task

    • ⚠ [PUBDEV-8150] - Added a warning message when using alpha as a hyperparameter for GLM

    πŸ“„ Docs

    • [PUBDEV-8158] - Added section on how to delete objects in Flow.
    • πŸ“„ [PUBDEV-8151] - Added a note to the productionizing docs that C++ is only available with additional support.
  • v3.32.1.3 Changes

    πŸš€ Download at: http://h2o-release.s3.amazonaws.com/h2o/rel-zipf/3/index.html

    πŸ› Bug

    • [PUBDEV-8136] - Fixed the printing for auc_pr and pr_auc in cross-validation summaries.

    πŸ†• New Feature

    • 🐎 [PUBDEV-8131] - Added parameter auc_type to performance method to compute multiclass AUC.

    Task

    • ⬆️ [PUBDEV-8147] - Upgraded XGBoost predictor to 0.3.18.
    • πŸ“¦ [PUBDEV-8145] - Increased the timeout duration on the R package jar download.

    πŸ“„ Docs

    • πŸ— [PUBDEV-8119] - Fixed formatting errors for local builds.
    • ⚑️ [PUBDEV-8091] - Updated docs examples for baseline hazard, baseline survival, and concordance.
  • v3.32.1.2 Changes

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

    πŸ› 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. βœ… [PUBDEV-8076] - Fixed failures from Stacked Ensemble with Multinomial GLM within tests. πŸ›  [PUBDEV-8077] - Fixed AutoML error when an alpha array is used for GLM. πŸ›  [PUBDEV-8079] - Fixed β€œRollup not possible" stats failure in GLM. [PUBDEV-8097] - H2O will now still start despite system properties that begin with β€˜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. πŸ— [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. πŸ›  [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.

    πŸ‘Œ Improvement

    πŸ“œ [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. πŸ™‹ [PUBDEV-8101] - Added β€˜ice_root’ error documented in FAQ. [PUBDEV-8118] - Added further regularization to the GLM metalearner.

    πŸ†• 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. πŸ‘ [PUBDEV-8111] - Support added for CDP 7.2.

    πŸ“„ Docs

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

  • v3.32.1.1 Changes

    πŸš€ Download at: http://h2o-release.s3.amazonaws.com/h2o/rel-zipf/1/index.html

    πŸ› Bug

    [PUBDEV-6356] - GBM histograms now ignore rows with NA responses. [PUBDEV-7606] - Variable Importances added to GLM Generic model. πŸ›  [PUBDEV-7782] - Fixed the ArrayIndexOutOfBoundsException issue with GLM CV. 🐎 [PUBDEV-7825] - CoxPH performance no longer fails when a factor is used for the event_column. [PUBDEV-7841] - Existing frame no longer overwritten when data with the same query is loaded. πŸ›  [PUBDEV-7909] - Fixed how gain is calculated in XGBFI for GBM. [PUBDEV-7934] - Improved the error messages for save_to_hive_table. βœ… [PUBDEV-7963] - Added missing argument ’test’ for h2o.explain_row(). πŸ–¨ [PUBDEV-7979] - All trees now supported for XGBoost Print MOJO in Java. [PUBDEV-7987] - CoxPH prediction no longer fails when offset_column is specified. [PUBDEV-7998] - Added keys for Individual Conditional Expectation (ICE) plot in H2OExplanation class. [PUBDEV-8013] - [email protected]$parameters$x now reports actual feature names instead of names. [PUBDEV-8016] - h2o.explain no longer errors when AutoML object is trained with a fold_column. πŸ›  [PUBDEV-8046] - Fixed issues with python’s explanation plots not displaying fully.

    πŸ†• New Feature

    [PUBDEV-7706] - Ignored columns that are actually used for model training are unignored and no longer prevent model training to start in Flow. [PUBDEV-7735] - Added baseline hazard function estimate to CoxPH model. πŸ‘ [PUBDEV-7748] - Target Encoding now supports feature interactions. [PUBDEV-7805] - Added CoxPH concordance to both Flow and R/Python CoxPH summaries. [PUBDEV-7820] - Added a topbasemodel attribute to AutoML. [PUBDEV-7831] - Added new learning curve plotting function to R/Python. [PUBDEV-7854] - Added script for estimating the memory usage of a dataset. [PUBDEV-7859] - Added fault protections to grid search allowing saving of data and parameters, model checkpointing, and auto-recovery. πŸ‘ [PUBDEV-7884] - Added support for Java 15. πŸ‘ [PUBDEV-7969] - Added CDP7.1 support. πŸ–¨ [PUBDEV-7978] - Added support for XGBoost to Print MOJO as JSON. πŸ‘ [PUBDEV-8021] - Added support for refreshing HDFS delegation tokens. βͺ [PUBDEV-8035] - Reverted XGBoost categorical encodings for contributions.

    Task

    [PUBDEV-7637] - max_hit_ratio_k deprecated and removed. πŸ“¦ [PUBDEV-7894] - Added upper bound cap to supported Java version in H2O CRAN package requirements.

    πŸ‘Œ Improvement

    [PUBDEV-7473] - Users now allowed to include categorical column name in beta constraints. [PUBDEV-7579] - Multinomial PDP can now be plotted for more than one target class in Flow. [PUBDEV-7736] - Sped up CoxPH concordance score by using tree instead of the direct approach. [PUBDEV-7819] - XGBoost no longer fails when specifying custom fold_column. [PUBDEV-7843] - XGBoost CV models now built on multiple GPUs in parallel. [PUBDEV-7968] - Missing metrics added to GLM scoring history. [PUBDEV-8017] - Added validation checks for sampling rates for XGBoost for the R/Python clients. [PUBDEV-8024] -
    No longer errors when trying to use a fold column where not all folds are represented. [PUBDEV-8032] - Added the metalearner_transform option to Stacked Ensemble. [PUBDEV-8057] - GBM main model now built in parallel to the CV models. 🚚 [PUBDEV-8060] - Removed redundant extraction weights from GBM/DRF histogram. [PUBDEV-8061] - GBM now avoids scoring the last iteration twice when early stopping is enabled. [PUBDEV-8063] - POJO predictions for XGBoost now even closer to in-H2O predictions. [PUBDEV-8064] - Double-scoring of CV models in AutoML now avoided thus speeding up AutoML. [PUBDEV-8070] - AutoML now uses fewer neurons in DL grids and has improved the metalearner for Stacked Ensemble.

    Technical task

    [PUBDEV-7860] - Thin plate regression splines added to GAM.

    πŸ“„ Docs

    [PUBDEV-7917] - Added checkpoint description to GLM. πŸ“š [PUBDEV-7976] - Added thin plate regression spline documentation to GAM algorithm page. [PUBDEV-7988] - Added missing parameters to XGBoost algorithm page. 🌲 [PUBDEV-7992] - Added more information about log files to User Guide.

  • v3.32.0.5 Changes

    πŸš€ Download at: http://h2o-release.s3.amazonaws.com/h2o/rel-zermelo/5/index.html

    πŸ› Bug

    [PUBDEV-7798] - GAM no longer creates multiple knots at the same coordinates when the cardinality of the gam_columns is less than the number of knots specified by the user.

    πŸ‘Œ Improvement

    [PUBDEV-7954] -
    πŸ”‹ Feature interactions can now be save as .xlxs files. πŸ‘· [PUBDEV-8034] - Job polling will retry connecting to h2o nodes if connection fails.

  • v3.32.0.4 Changes

    πŸš€ Download at: http://h2o-release.s3.amazonaws.com/h2o/rel-zermelo/4/index.html

    πŸ› Bug

    [PUBDEV-7949] - Partial Dependence Plot no longer failing for High Cardinality even when user_splits is defined. πŸ›  [PUBDEV-7951] - Fixed failing Delta Lake import for Python API. [PUBDEV-7962] - Fix Stacked Ensemble’s incorrect handling of fold column.

    πŸ‘Œ Improvement

    πŸ‘ [PUBDEV-7737] - Added MOJO support for CoxPH. 0️⃣ [PUBDEV-7953] - Escape all quotes by default when writing CSV.

    πŸ“„ Docs

    πŸ“„ [PUBDEV-7945] - Added to docs that AUCPR can be plotted. ⚑️ [PUBDEV-7964] - Updated the Customer Algorithm graphic for the Architecture section of the User Guide. ⚑️ [PUBDEV-7983] - Updated the copyright year to 2021.

  • v3.32.0.3 Changes

    πŸš€ Download at: http://h2o-release.s3.amazonaws.com/h2o/rel-zermelo/3/index.html

    πŸ› Bug

    [PUBDEV-7773] - The pca_impl parameter is no longer passed to PCA MOJO. 🚚 [PUBDEV-7896] - Objects to be retained no longer removed during the h2o.removeAll() command. [PUBDEV-7902] - Starting GridSearch in a fresh cluster with new hyperparameters that overlap old ones will no longer cause the old models to be trained again. 0️⃣ [PUBDEV-7914] - GridSearch no longer hangs indefinitely when not using the default value for paralellism. πŸ›  [PUBDEV-7921] - Fixed the parent dir lookup for HDFS grid imports. βœ… [PUBDEV-7928] - Fixed the CustomDistribution test error.

    πŸ†• New Feature

    [PUBDEV-5923] - Cross-Validation predictions can now be saved alongside the model. πŸ‘ [PUBDEV-7269] - Added multinomial and grid search support for AUC/PR AUC metrics. [PUBDEV-7861] - Now offers a standalone R client that doesn’t include the h2o jar. 🐳 [PUBDEV-7871] - Created a Red Hat certification for H2O Docker Image. πŸ›  [PUBDEV-7880] - Fixed randomized split points for histogram_type=β€œRandom” when nbins=2.
    πŸ“œ [PUBDEV-7916] - Single quote regime for CSV parser exposed for importing & uploading files.

    πŸ‘Œ Improvement

    [PUBDEV-7753] - REST API disabled on non-leader Kubernetes nodes. πŸ–¨ [PUBDEV-7875] - GLM now uses proper logging instead of printlines.

    πŸ“„ Docs

    [PUBDEV-7822] -
    βž• Added non-tree-based models to the variable importance page in the user guide. ⚑️ [PUBDEV-7869] - Updated the AutoML citation in the User Guide to point to the H2O AutoML ICML AutoML workshop paper. ⚑️ [PUBDEV-7882] - Updated Python docstring examples about cross-validation. [PUBDEV-7905] - Corrected k parameter description for PCA. [PUBDEV-7922] - Corrected the RuleFit Python example.

  • v3.32.0.2 Changes

    πŸš€ Download at: http://h2o-release.s3.amazonaws.com/h2o/rel-zermelo/2/index.html

    πŸ› Bug

    [PUBDEV-7793] - Implemented deserialization of monotone constraints. ⚑️ [PUBDEV-7844] - Updated required version of ggplot2 in R package to 3.3.0. πŸ“œ [PUBDEV-7866] - Fixed the parsing of GLM’s rand_family params in MOJO JSON. πŸ›  [PUBDEV-7876] - Fixed NPE that resulted when starting a grid with SequentialWalker in AutoML exploitation phase. πŸ›  [PUBDEV-7879] - Fixed MOJO version check message. [PUBDEV-7886] - When grid search has parallelism enabled, it now includes CV models.

    πŸ†• New Feature

    [PUBDEV-7739] - Added feature interactions and importance for XGBoost and GBM. [PUBDEV-7774] - Added new interaction_constraints parameter to XGBoost. [PUBDEV-7838] - Added an option to not have quotes in the header during exportFile. [PUBDEV-7887] - Added ability to retrieve a list of all the models in an H2O cluster. [PUBDEV-7900] - Added custom pod labels for HELM charts.

    Task

    [PUBDEV-7835] - Added lambda_min & lambda_max parameters to GLMModelOutputs.

    πŸ‘Œ Improvement

    0️⃣ [PUBDEV-7745] - Added default values to all algorithm parameters in the User Guide. πŸ›  [PUBDEV-7749] - Fixed the discrepancies between the Target Encoding User Guide page and Client. πŸ“š [PUBDEV-7834] - Added ONNX support to the documentation.

    Engineering Story

    [PUBDEV-7846] - Added a new method which properly locks H2O Frames during conversion from Spark Data Frames to H2O Frames in Sparkling Water.

    πŸ“„ Docs

    πŸ›  [PUBDEV-7836] - On the Grid Search User Guide page, fixed the missing syntax highlight in the Python example of the Random Grid Search section. [PUBDEV-7837] - Added rule_generation_ntrees parameter to the RuleFit page. πŸ“š [PUBDEV-7877] - Added documentation for GBM and XGBoost on feature interactions and importance. [PUBDEV-7888] - Added a Python example to the stratify_by parameter. [PUBDEV-7898] - Added a Feature Engineering section to the Data Manipulation page in the User Guide.

  • v3.32.0.1 Changes

    πŸš€ Download at: http://h2o-release.s3.amazonaws.com/h2o/rel-zermelo/1/index.html

    πŸ› Bug

    πŸ‘€ [PUBDEV-7667] - Fixed StackedEnsemble’s retrieval of the seed parameter value. [PUBDEV-7746] - Deserialization values of MOJO ModelParameter now work when the Value Type is int[]. πŸ“œ [PUBDEV-7760] - H2O no longer uses lazy-loading for sequential zip parse. ⚑️ [PUBDEV-7762] - Updated model_type argument names for Rulefit in R.

    πŸ†• New Feature

    [PUBDEV-7241] - Quantile distributions added to monotone constraints. [PUBDEV-7319] - TargetEncoder integrated into ModelBuilder. [PUBDEV-7755] - Python client no longer instructs the user to declare a root handler in library mode. [PUBDEV-7791] - Hostname used as certificate alias to lookup machine-specific certificate allowing Hadoop users to connect to Flow over HTTPS. [PUBDEV-7796] - Added the model explainability interface for H2O models and AutoML objects in both R & Python. [PUBDEV-7720] - Added the RuleFit algorithm for interpretability. [PUBDEV-7808] - Implemented a basic HELM chart.

    Task

    [PUBDEV-7763] - Rulefit model added to algorithm section of UserGuide. [PUBDEV-7786] - Added an Explainability page to the User Guide outlining the new h2o.explain() and h2o.explain_row() functions. ⚑️ [PUBDEV-7804] - Updated the AutoML User Guide page to include the new Explainability and Preprocessing sections.

    πŸ‘Œ Improvement

    πŸ‘ [PUBDEV-5932] - Added support for Python 3.7+. [PUBDEV-7717] - Exposes names of score0 output values in MOJO. [PUBDEV-7730] - Added function to plot a Precision Recall Curve. [PUBDEV-7740] - RuleFit model represented by the set of rules obtained from trees during training. 🐎 [PUBDEV-7765] - Performance improved for exporting a Frame to CSV. [PUBDEV-7769] - GPU backend allowed in XGBoost when running multinode even when build_tree_one_node is enabled. ⚑️ [PUBDEV-7787] - Updated all URLs in R package to use HTTPS. ⬆️ [PUBDEV-7790] - Upgraded to XGBoost 1.2.0.

    Technical task

    πŸ— [PUBDEV-7366] - Added cross-validation to GAM allowing users to find the best alpha/lambda values when building a GAM model. πŸ‘ [PUBDEV-7672] - Added TargetEncoder support for multiclass problems. 🚚 [PUBDEV-7743] - Added new TargetEncoder parameter that allows users to remove original features automatically. πŸ‘ [PUBDEV-7778] - Implemented minimal support for TargetEncoding in AutoML.

    πŸ“„ Docs

    ⚑️ [PUBDEV-7541] - Updated the descriptions of AutoML in R & Python packages. πŸ“š [PUBDEV-7781] - Made the default for categorical_encoding in XGBoost explicit in the documentation. ⚑️ [PUBDEV-7811] - Updated the import datatype section of the Python FAQ in the User Guide. [PUBDEV-7815] - Updated the default values for min_rule_length and max_rule_length on the RuleFit page of the User Guide. ⚑️ [PUBDEV-7816] - Updated the validation_frame definition for unsupervised algorithms in the User Guide.

  • v3.31.1.5

    May 18, 2020