RT @Shuyi817: The idea behinds the rate of perplexity change is to find the first topic numbers with a increased changing rate of perplexit…
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69 followers
RT @AishLearnsAI: Perplexity evaluates how well a statistical model describes a dataset, but it is not stable and consistent. Instead, the…
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Determine number of topics in TM is a big challenge.
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The idea behinds the rate of perplexity change is to find the first topic numbers with a increased changing rate of perplexity compared to the previous one, while I think whether it makes sense still need to be discussed. https://t.co/Eb9n1XiEw1