Revealing the hidden themes in a corpus of text is the subject of this block. We’ll see how to design and evaluate a topic model and to post-process topic modeling outcome. A series of examples and Python scripts show how to deploy topic modeling to analyze text corpora comprising corporate filings, financial analyst reports, or product reviews
Summary
Open the circle: learn core NLP aspects
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Topic modeling (TM)
The individual steps in topic modeling
How do the individual TM steps relate to each other?
Four topic modeling vignettes
Test your learning
NLP application examples
Make things happen with Python
Off-the-shelf Python scripts
Problem set
Close the circle by analyzing a case study