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

H2o Automl Knime Xgboost R
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H2O.ai AutoML (wrapped with R) in KNIME for classification problems - a powerful auto-machine-learning framework (https://hub.knime.com/mlauber71/spaces/Public/latest/automl/) v 1.75 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 R and H2O.ai with several packages. Please refer to the green box on the right.

External resources

  • Kaggle - House Prices: Advanced Regression Techniques
  • Downloading & Installing H2O
  • 11 Important Model Evaluation Metrics for Machine Learning Everyone should know
  • Profile mlauber71
  • A Deep dive into H2O’s AutoML
  • Combine Big Data, Spark and H2O.ai Sparkling Water
  • KNIME Interactive R Statistics Integration Installation Guide
  • H2O.ai AutoML in KNIME for classification problems
  • paolotamag - more options for AutoML with KNIME components
  • Machine Learning Meta Collection (with KNIME)
  • Cohen's Kappa: what it is, when to use it, how to avoid pitfalls

Used extensions & nodes

Created with KNIME Analytics Platform version 4.6.3
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    KNIME Base nodes Trusted extension

    KNIME AG, Zurich, Switzerland

    Versions 4.5.2, 4.6.2

    knime
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    KNIME Conda Integration Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.6.0

    knime
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    KNIME Excel Support Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.6.2

    knime
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    KNIME Extension for Big Data File Formats Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.6.0

    knime
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    KNIME H2O Machine Learning Integration - MOJO Extension Trusted extension

    KNIME AG, Zurich, Switzerland

    Versions 4.5.0, 4.6.0

    knime
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    KNIME Interactive R Statistics Integration Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.6.0

    knime
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    KNIME JavaScript Views Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.6.2

    knime
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    KNIME Javasnippet Trusted extension

    KNIME AG, Zurich, Switzerland

    Versions 4.5.0, 4.6.0

    knime
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    KNIME Machine Learning Interpretability Extension Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.6.0

    knime
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    KNIME Math Expression (JEP) Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.6.0

    knime
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    KNIME Quick Forms Trusted extension

    KNIME AG, Zurich, Switzerland

    Versions 4.5.2, 4.6.0

    knime
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    KNIME SVG Support Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.6.0

    knime
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    KNIME Timeseries nodes Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.6.0

    knime
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