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)

topic_model 
a fitted topic model object from one of the following:

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 BoydGraber, 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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