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 ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. If you’ve ever had to analyze a set of documents — such as social media posts, ...

Much of our reams of data sit in large databases of unstructured text. Finding insights among emails, text documents, and websites is extremely difficult unless we can search, characterize, and ...

Nobody likes a Monday morning quarterback. He’s the guy who always knows exactly how to run a play to score a touchdown…the day after the game. As much as the postgame know-it-all gets under ...

Recent advances in data mining and mathematical modelling have increasingly influenced the development of sophisticated algorithms across diverse application domains. By extracting hidden structures ...