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 ...

FARMINGDALE, N.Y.—EEG believes that knowing what is being talked about can help its Lexi automatic cloud-based live captioning platform perform more accurately. That is the idea behind the company’s ...

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Topic models are a simple and popular tool for the statistical analysis of textual data. Their identification and estimation is typically enabled by assuming the existence of anchor words; that is, ...