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, ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. In two earlier posts on this blog, I introduced topic models and explored some ...

Topic modelling is a text mining technique utilised to discover patterns in textual data. Given a large collection of text documents, a topic model can extract topics that best represent the given ...

This article follows the Direct Message methodology, designed to cut through the noise and reveal the deeper truths behind the stories we live. We live in a time when data is both overabundant and ...