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 ...

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 ...

Topic clusters show Google that a website has lots of useful content and is relevant to a specific subject. Here's how they work. If you want to show Google that your webpages are both relevant to ...