Description Usage Arguments Value References Examples
View source: R/mean_token_length.R
Using the the N highest probability tokens for each topic, calculate the average token length for each topic
1 | mean_token_length(topic_model, top_n_tokens = 10)
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topic_model |
a fitted topic model object from one of the following:
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top_n_tokens |
an integer indicating the number of top words to consider, the default is 10 |
A vector of average token lengths with length equal to the number of topics in the fitted model
Jordan Boyd-Graber, David Mimno, and David Newman, 2014. Care and Feeding of Topic Models: Problems, Diagnostics, and Improvements. CRC Handbooks ofModern Statistical Methods. CRC Press, Boca Raton, Florida.
1 2 3 4 5 | # Using the example from the LDA function
library(topicmodels)
data("AssociatedPress", package = "topicmodels")
lda <- LDA(AssociatedPress[1:20,], control = list(alpha = 0.1), k = 2)
mean_token_length(lda)
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