LDAvis | R package for web-based interactive topic model | Topic Modeling library
kandi X-RAY | LDAvis Summary
kandi X-RAY | LDAvis Summary
R package for interactive topic model visualization. LDAvis is designed to help users interpret the topics in a topic model that has been fit to a corpus of text data. The package extracts information from a fitted LDA topic model to inform an interactive web-based visualization.
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QUESTION
I have a question to a Documenttermmatrix. I would like to use the "LDAVIS" package in R. To visualize my results of the LDA algorithm I need to calculate the number of tokens of every document. I don´t have the text corpus for the considered DTM. Does anyone know how I can calculate the amount of tokens for every Document. The output as a list with the document name and his amount of tokens would be the perfect solution.
Kind Regards, Tom
...ANSWER
Answered 2021-Jun-21 at 13:17You can use slam::row_sums
. This calculates the row_sums of a document term matrix without first transforming the dtm into a matrix. This function comes from the slam package which is installed when you install the tm package.
QUESTION
import pyLDAvis
import pyLDAvis.gensim
pyLDAvis.enable_notebook()
LDAvis_prepared = pyLDAvis.gensim.prepare(lda_model, bow_corpus, dictionary)
pyLDAvis.show(LDAvis_prepared)
...ANSWER
Answered 2021-Feb-17 at 07:13Try to specify the version of pyLDAvis to 2.1.2
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