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 ...

Looking to gain greater insights into surveys? This third part of a series on NLP and survey data explores Latent Dirichlet Allocation, a popular tool to ferret out elusive themes in text comments, ...

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, ...

Cognitive computational neuroscience has entered a transformative era. The rapid rise of large multimodal foundation models, state-space architectures, and ...

Compartment models have been proposed in the 1920s as a model for the spread of an infectious disease in a society, in a famous article by Kermack and ...