When the actual process requires iterative refinement—cleaning data, adjusting ... analogy is a mirror. Topic models reflect the patterns that exist in your text data, patterns that can confirm ...

NLP is an umbrella term that encompasses a wide variety of algorithmic methods that can be used to automatically analyze large volumes of text ... number of topics. The model then assesses the ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. In my first post about topic models, I discussed what topic models are, how they ...