Transcription of LDAvis: A method for visualizing and interpreting topics
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Proceedings of the Workshop on Interactive Language Learning, visualization , and Interfaces, pages 63 70,Baltimore, Maryland, USA, June 27, 2014 Association for Computational LinguisticsLDAvis: A method for visualizing and interpreting topicsCarson SievertIowa State University3414 Snedecor HallAmes, IA 50014, E. ShirleyAT&T Labs Research33 Thomas Street, 26th FloorNew York, NY 10007, presentLDAvis, a web-based interac-tive visualization of topics estimated usingLatent Dirichlet Allocation that is built us-ing a combination of R and D3. Our visu-alization provides a global view of the top-ics (and how they differ from each other),while at the same time allowing for a deepinspection of the terms most highly asso-ciated with each individual topic. First,we propose a novel method for choosingwhich terms to present to a user to aid inthe task of topic interpretation, in whichwe define therelevanceof a term to atopic.
ing multidimensional scaling to project the inter-topic distances onto two dimensions, as is done in (Chuang et al., 2012a). We encode each topic’s overall prevalence using the areas of the circles, where we sort the topics in decreasing order of prevalence. Second, the right panel of our visualization de-
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