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

H2oAutomlKnimeXgboost
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Jul 13, 2024 3:42 PM
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H2O.ai AutoML (wrapped with Python) in KNIME for classification problems - a powerful auto-machine-learning framework (https://hub.knime.com/mlauber71/spaces/Public/latest/automl/)
v 1.90

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.

To run this workflow you have to install Python (https://medium.com/p/2ac217792539) and H2O.ai as well as R (https://medium.com/p/6494a2a498cc) 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

  • MEDIUM: KNIME and Python — Setting up and managing Conda environments
  • Overview of KNIME ML and AutoML frameworks
  • Cohen's Kappa: what it is, when to use it, how to avoid pitfalls
  • Machine Learning Meta Collection (with KNIME)
  • paolotamag - more options for AutoML with KNIME components
  • H2O.ai AutoML in KNIME for classification problems
  • KNIME Interactive R Statistics Integration Installation Guide
  • Combine Big Data, Spark and H2O.ai Sparkling Water
  • A Deep dive into H2O’s AutoML
  • Profile mlauber71
  • KNIME Python Integration Installation Guide
  • KNIME, Python and Anaconda - the short story
  • 11 Important Model Evaluation Metrics for Machine Learning Everyone should know
  • Downloading & Installing H2O
  • Kaggle - House Prices: Advanced Regression Techniques
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Used extensions & nodes

Created with KNIME Analytics Platform version 4.7.8
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    KNIME Base nodesTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.8

    knime
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    KNIME Conda IntegrationTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.0

    knime
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    KNIME Excel SupportTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.0

    knime
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    KNIME ExpressionsTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.3

    knime
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    KNIME Extension for Big Data File FormatsTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.2

    knime
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    KNIME H2O Machine Learning Integration - MOJO ExtensionTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.0

    knime
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    KNIME Interactive R Statistics IntegrationTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.0

    knime
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    KNIME JavaScript ViewsTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.0

    knime
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    KNIME JavasnippetTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.0

    knime
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    KNIME Machine Learning Interpretability ExtensionTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.0

    knime
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    KNIME Math Expression (JEP)Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.0

    knime
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    KNIME Python IntegrationTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.3

    knime
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    KNIME Quick FormsTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.4

    knime
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    KNIME SVG SupportTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.0

    knime
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    KNIME Timeseries nodesTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.7.0

    knime

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