A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. (Related posts: An intro to topic models for text analysis, Making sense of ...

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, ...

In recent years, Artificial Intelligence has undergone a major transformation with the global emergence and rapid diffusion of Large Language Models (LLMs).