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Changelog History
Page 4

  • v3.32.0.1 Changes

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

    🐛 Bug

    👀 [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[]. 📜 [PUBDEV-7760] - H2O no longer uses lazy-loading for sequential zip parse. ⚡️ [PUBDEV-7762] - Updated model_type argument names for Rulefit in R.

    🆕 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.

    👌 Improvement

    👍 [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

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

    📄 Docs

    ⚡️ [PUBDEV-7541] - Updated the descriptions of AutoML in R & Python packages. 📚 [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

  • v3.31.1.4

    May 18, 2020

  • v3.31.1.3

    May 18, 2020

  • v3.31.1.2

    May 15, 2020

  • v3.31.0

    May 13, 2020

  • v3.30.1.3 Changes

    🚀 Download at: http://h2o-release.s3.amazonaws.com/h2o/rel-zeno/3/index.html

    Bug 📦 [PUBDEV-7779] - CRAN - Use HTTPS for all downloads within the R package.

  • v3.30.1.2 Changes

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

    Bug [PUBDEV-4722] - The ‘h2o.unique()’ command will now only return the unique values within a column. [PUBDEV-7627] - k-LIME easy predict wrapper now uses Regression or KLime as a model category instead of just KLime. 📚 [PUBDEV-7657] - Fixed the CRAN check warnings on r-devel for cross-references in the R documentation. 📚 [PUBDEV-7704] - Documentation added detailing the supported encodings for CSV files. [PUBDEV-7708] - GLM parameters integrated into GAM parameters. 📚 [PUBDEV-7738] - Fixed broken URLs in R documentation that caused CRAN failures.

    New Feature [PUBDEV-7622] - Added the concordance statistic for CoxPH models.

    Task [PUBDEV-7481] - When using multiple alpha/lambda values for calling GLM from GAM, GLM now returns the best results across all alpha/lambda values. Also added the ‘cold_start’ parameter added to GLM. 📚 [PUBDEV-7721] - Added documentation for new GAM hyperparameter ’subspaces’. [PUBDEV-7726] - GLM new parameter ‘cold_start’ added to User Guide and GLM booklet.

    Improvement [PUBDEV-7654] - Reduced the memory cost of the drop_duplicate operation by cleaning up data early. [PUBDEV-7723] - When calculating unique() values on a column that is the result of an AstRowSlice operation, the domain is now collected in-place and no longer results in an error. 📚 [PUBDEV-7731] - Categorical encoding documentation updated by adding ‘EnumLimited’ & ’SortByReponse’ to KMeans and removing ‘Eigen’ from XGBoost.

    Technical task ✅ [PUBDEV-7367] - Tests added to verify grid search functionality for GAM and allows the user to create more complex hyper spaces for grid search by adding ‘subspaces’ key and functionality to grid search backend.

    📄 Docs 📚 [PUBDEV-7732] - Added documentation on how to retrieve reproducibility information.

  • v3.30.1.1 Changes

    🚀 Download at: http://h2o-release.s3.amazonaws.com/h2o/rel-zeno/1/index.html

    Bug [PUBDEV-7119] - H2OFrames with fields containing double quotes/line breaks can now be converted to Pandas dataframe. [PUBDEV-7489] - Impossible to set Max_depth to unlimited on DRF classifer [PUBDEV-7635] - Model generation for MOJO/POJO are disabled when interaction columns are used in GLM. [PUBDEV-7646] - Reproducibility Information Table now hidden in H2O-Flow.

    New Feature 👍 [PUBDEV-4915] - Added support for offset_column in the Stacked Ensemble metalearner. 👍 [PUBDEV-4916] - Added support for weights_column in the Stacked Ensemble metalearner. 👍 [PUBDEV-6807] - Added continued support to Generalized Additive Models for H2O. [PUBDEV-7237] - The value of model parameters can be retrieved at the end of training, allowing users to retrieve an automatically chosen value when a parameter is set to AUTO. [PUBDEV-7283] - H2O Frame is now able to be saved into a Hive table. [PUBDEV-7467] - XGBoost can now be executed on an external Hadoop cluster. [PUBDEV-7640] - Added the contamination parameter to Isolation Forest which is used to mark anomalous observations. [PUBDEV-7641] - Introduced the validation_response_column parameter for Isolation Forest which allows users to name the response column in the validation frame. 👍 [PUBDEV-7647] - Added official support for Java 14 in H2O. ⏱ [PUBDEV-7697] - Added external cluster startup timeout for XGBoost.

    Task 🐳 [PUBDEV-7649] - Hadoop Docker image run independent of S3. ⬆️ [PUBDEV-7673] - Upgraded the build/test environment to support R 4.0 and Roxygen2.7.1.1.

    Improvement [PUBDEV-6938] - Implemented TF-IDF algorithm to reflect how important a word is to a document or collection of documents. ✅ [PUBDEV-6946] - GridSearch R API test added for Isolation Forest. [PUBDEV-7444] - ‘AUTO’ option added for GLM & GAM family parameter. [PUBDEV-7496] - XGBoost Variable Importances now computed using a Java predictor. [PUBDEV-7547] - StackedEnsemble can now be created using only monotone models if user specifies monotone_constraints in AutoML. [PUBDEV-7567] - Enabled using imported models as base models in Stacked Ensembles. 🚚 [PUBDEV-7651] - Removed deprecated H2O-Scala module.

    Technical Task 👍 [PUBDEV-7185] - Added Java backend to support MOJO in GAM. 👍 [PUBDEV-7611] - Added support for early_stopping parameter in GAM and GLM.

    Engineering Story 🚚 [PUBDEV-7701] - Sparkling Water Booklet removed from the H2O-3 repository.

    📄 Docs [PUBDEV-7556] - Added H2O Client chapter to the User Guide which includes section on Sklearn integration. 📚 [PUBDEV-7639] - Added documentation in the Isolation Forest section for the contamination parameter. 📚 [PUBDEV-7648] - Added documentation in GLM & GAM, and the family & link algorithm parameters to include how family can now be set equal to AUTO. 📚 [PUBDEV-7655] - Added gains lift_bins to the parameter appendix and added and example to the parameter in the Python documentation. Added an example for the Kolmogorov-Smirnov metric to the Python documentation. 📚 [PUBDEV-7656] - Updated GAM and GLM documentation to include support for early_stopping. 🐎 [PUBDEV-7661] - Added the Kolmogorov-Smirnov metric formula to the Performance and Prediction chapter. [PUBDEV-7679] - Added the negativebinomial value to the family parameter page. [PUBDEV-7680] - Added the ordinal and modified_huber values to the distribution parameter page. [PUBDEV-7682] - Updated deprecated parameter loading_name to representation_name and fixed the broken init link in the GLRM section of the User Guide. 🏗 [PUBDEV-7684] - Added a note in the User Guide Stacked Ensemble section about building a monotonic Stacked Ensemble. 📚 [PUBDEV-7699] - Added documentation for how balance_classes is triggered.

  • v3.30.0.7 Changes

    🚀 Download at: http://h2o-release.s3.amazonaws.com/h2o/rel-zahradnik/7/index.html

    New Feature 👍 [PUBDEV-7430] - Added support for partitionBy column in partitioned parquet or CSV files.

    Task ⚠ [PUBDEV-7645] - Warning added for user if both a lamba value and lambda search are provided in GLM.

    Improvement ⚙ [PUBDEV-5808] - Added max_runtime_secs parameter to Stacked Ensemble. ⬆️ [HEXDEV-758] - Upgraded Jetty 9 and switched default webserver to Jetty 9.