topicmodels: An R Package for Fitting Topic Models

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Authors Bettina Grün, Kurt Hornik
Journal/Conference Name Journal of Statistical Software
Paper Category
Paper Abstract Topic models allow the probabilistic modeling of term frequency occurrences in documents. The fitted model can be used to estimate the similarity between documents as well as between a set of specified keywords using an additional layer of latent variables which are referred to as topics. The R package topicmodels provides basic infrastructure for fitting topic models based on data structures from the text mining package tm. The package includes interfaces to two algorithms for fitting topic models: the variational expectation-maximization algorithm provided by David M. Blei and co-authors and an algorithm using Gibbs sampling by Xuan-Hieu Phan and co-authors.
Date of publication 2011
Code Programming Language R
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