Choosing Topics Without Counting: When LDA Meets Black-Box Intelligence
Topic modeling has a small, annoying question hiding inside a very large workflow: How many topics should the model use? Not what the topics mean. Not whether the dashboard looks elegant. Not whether management will discover a “strategic insight” after renaming a cluster from miscellaneous complaints to emerging customer sentiment. Just the integer: 10 topics, 30 topics, 80 topics, 200 topics? ...