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Parameter Optimization Loop on Linear Regression Classification

Parameter optimization Optimization Machine learning Onboarding Data Science
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This workflow shows an example of parameter optimization in a linear regression model. The different parameters are output as flow variables by the Parameter Optimization Loop Start node. The parameter settings of the linear regression algorithm are overwritten by the flow variables and trees with different settings are trained. Since this is a binary classification we can use the Numeric Scorer node and create a flow variable with the performance metric in each iteration. This is then fed into the Parameter Optimization Loop End node. The end node compares the accuracies and supplies the best value in the first output.

External resources

  • Parameter Optimization Video - KNIME TV - YouTube
  • ML Algorithms and the Art of Parameter Selection - KNIME Blog

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

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    knime
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    KNIME Optimization extension Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.6.0

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    knime
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