Questions tagged [coherence]

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Measuring coherence score for Top2Vec models

I am working on creating a number of Top2Vec models on Reddit threads. I am basically changing the HDBScan cluster sizes to get different clusters of the Doc2Vec embeddings representing a different # ...
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How to interpret different coherence values

For an experiment with topic models, I have calculated four coherence values using Gensim's implementation: c_v u_mass c_uci c_npmi From this paper, I know that c_v correlates mostly with human ...
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How can i get all the values related to the first column in a direct or indirect relationship?

I wanna write a function using python that allows me to compare each value from the second column of my DataFrame with the first column and if they don't matche compare the second column in the same ...
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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 ...