Determining the Right LDA Topic Model Size, Part II

Despite the large number of blog posts and articles written about LDA Topic Model implementations precious few delve into the most important and enigmatic decision that has to be made by the developer: choosing the number of topics to model. This article and its companion piece Using Metrics to Determine The Right LDA Topic Model Size, provide an in-depth example of the systematic use of metrics to determine the best topic model …

deep-dives evaluation-metric ii lda nlp part topic modeling