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H2O.ai AutoML (wrapped with Python) in KNIME for classification problems

H2o Automl Knime Xgboost
Markus Lauber profile image

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H2O.ai AutoML in KNIME for classification problems a powerful auto-machine-learning framework https://hub.knime.com/mlauber71/spaces/Public/latest/automl/ kn_automl_h2o_classification_python H2O.ai AutoML in KNIME for classification problems https://forum.knime.com/t/h2o-ai-automl-in-knime-for-classification-problems/20923 It features various models like Random Forest or XGBoost along with Deep Learning. It has warppers for R and Python but also could be used from KNIME. The results will be written to a folder and the models will be stored in MOJO format to be used in KNIME (as well as on a Big Data cluster via Sparkling Water). One major parameter to set is the running time the model has to test various models and do some hyper parameter optimization as well. The best model of each round is stored and some graphics are produced to see the results. Results are interpreted thru various statistics and model characteristics are stored in and Excel und TXT file as well as in PNG graphics you can easily re-use in presentations and to give your winning models a visual inspection. Also, you could use the Metanode “Model Quality Classification - Graphics” to evaluate other binary classification models To run this workflow you have to install Python and H2O.ai as well as R and several packages. Please refer to the green box on the right. The results may be used also on Big Data clusters with the help of H2O.ai Sparkling Water (https://hub.knime.com/mlauber71/spaces/Public/latest/kn_example_h2o_sparkling_water)

External resources

  • Kaggle - House Prices: Advanced Regression Techniques
  • Downloading & Installing H2O
  • 11 Important Model Evaluation Metrics for Machine Learning Everyone should know
  • KNIME, Python and Anaconda - the short story
  • KNIME Python Integration Installation Guide
  • Profile mlauber71
  • A Deep dive into H2O’s AutoML
  • Combine Big Data, Spark and H2O.ai Sparkling Water
  • H2O.ai AutoML in KNIME for classification problems

Used extensions & nodes

Created with KNIME Analytics Platform version 4.1.2
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    KNIME Core Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.2

    knime
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    KNIME Excel Support Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.2

    knime
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    KNIME Extension for Big Data File Formats Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.0

    knime
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    KNIME H2O Machine Learning Integration - MOJO Extension Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.0

    knime
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    KNIME Interactive R Statistics Integration Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.1

    knime
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    KNIME JavaScript Views Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.2

    knime
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    KNIME Machine Learning Interpretability Extension Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.0

    knime
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    KNIME Math Expression (JEP) Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.0

    knime
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    KNIME Python Integration Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.1

    knime
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    KNIME Quick Forms Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.2

    knime
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    KNIME SVG Support Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.1.0

    knime
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