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How can I find the optimal number of topics in LDA with scikit-learn?
I'm computing topic models through scikit-learn with this script (I'm starting with a dataset "df" which has one document per row in the column "Text")
from sklearn.decomposition i...
Himan
Votes: 0
Answers: 0
Topic modelling- Calculate the coherence score of an sklearn LDA model?
I tried several things to calculate the coherence score for a sklearn LDA model, but it does not work out. What is a way to calculate the Coherence score for a sklearn LDA model?
When I use the standa...
Selena
Votes: 0
Answers: 1
Topic Modelling: WordCloud For Every Topic in LDA model
Question: How can I create a Word Cloud for each topic that has been computed by the LDA model. I tried the following, but can't seem to work it out further to create a word cloud for each topic.
firs...
Selena
Votes: 0
Answers: 1
Using Topic Modelling or another NLP approach, is it possible to define words that go into topics/categories for better defined topic model?
I have a problem where I am using topic modelling and taking into consideration LDA & LSA approaches however have found that some of the topics are not being defined as accurately as I like. Is it...
JordanB
Votes: 0
Answers: 2