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Results tagged with topic-model
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user 71544
A topic model describes text from a large corpus as a probability distribution over topics which are probability distributions over words. There are quantified contributions from all topics to a specific text.
1
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1
answer
429
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LDA topic model has 0-weight topics, is that normal?
While experimenting with different number of topics for the Gensim implementation of LDA, I found that for a high number of topics, the output often consists of topics with all weights equal to zero. …
- 25.9k
1
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0
answers
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Best measure to indicate quality of LDA model
On my corpora, I am running LDA with different settings (I experiment with different number of topics, different different ngrams and TFIDF or regular BOW).
Now, I want to rank these setups to select …
- 179