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Seeded Topic Models as a Yard Stick: Implement them in R with keyATM
Sept. 13, 2022, 7:40 p.m. | Finn-Ole Höner
Towards Data Science - Medium towardsdatascience.com
Modelling geopolitical risk based on UK parliament transcripts
Image by AuthorIn text analysis, topic models are a prominent approach to extract overall themes from large collections of documents. Maybe the most widely used model in this domain is the Latent Dirichlet Allocation (LDA).
LDA is a probabilistic topic model, and exists in many variations. Today we will look at one of these: The seeded LDA model.
A seeded topic model allows the researcher to pass a collection …
data science lda semi-supervised learning text-mining topic modeling
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