An Interactive Visualization Platform for Interpreting Topic Models

Carson Sievert (joint work with Kenny Shirley)
9-26-2013

The ugly truth

Overview

  1. What is a topic model?
  2. Fitting topic models via Latent Dirichlet Allocation (LDA).
  3. Fitting an LDA model with the R package LDAviz.
  4. Interpreting model output.
    • Topic specific keywords.
    • 'Global' keywords.
  5. Measuring similarity between topics.
  6. Visualizing model output.