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That's a good question. I haven't done much NLP, WDYT @jnothman ? |
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I don't find anywhere in scikit-learn coherence measures, for topic modelling performance, which measure the degree of semantic similarity between the top words in a topic. Various coherence metrics, such as Pointwise Mutual Information (PMI) or Normalized Pointwise Mutual Information (NPMI), can be used to quantify the quality of topics.
Scikit has no such metrics implemented yet... as far as I know, and Gensim lib does provide these.
Are there any plans to add them in the near future?
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