|Authors:||Bettina Grün, Kurt Hornik|
|Title:||topicmodels: An R Package for Fitting Topic Models|
|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.|
Page views:: 29718. Submitted: 2010-09-23. Published: 2011-05-09.
topicmodels: An R Package for Fitting Topic Models
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