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Topic Models from Reviews

Marketing Analytics Regression R script LDA NLP
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This workflow addresses the problem of review topics. Block 1 performs the data preparation on review texts. Block 2 applies the LDA algorithm and optimizes its paramters Block 3 applies the LDA algorithm with optimized paramters and displays the LDA topic probabilities and the average number of stars by topic Block 4.Estimating importance of topics via linear regression (KNIME) and polynomial regression (R)

Used extensions & nodes

Created with KNIME Analytics Platform version 4.4.2
  • KNIME Base nodes Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.4.2

    knime
  • KNIME Excel Support Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.4.2

    knime
  • KNIME JavaScript Views Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.4.2

    knime
  • KNIME Javasnippet Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.4.2

    knime
  • KNIME Math Expression (JEP) Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.4.0

    knime
  • KNIME Textprocessing Trusted extension

    KNIME AG, Zurich, Switzerland

    Version 4.4.1

    knime
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