LDA Topic Modeling: An Explanation

Tyler Doll
Towards Data Science
3 min readJun 24, 2018

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Photo by Patrick Tomasso on Unsplash

Background

Topic modeling is the process of identifying topics in a set of documents. This can be useful for search engines, customer service automation, and any other instance where knowing the topics of documents is important. There are multiple methods of going about doing this, but here I will explain one: Latent Dirichlet Allocation (LDA).

The Algorithm

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