Question: What is perplexity? Question 1 options: A metric that indicates the likelihood that a topic is included in a document A metric that measures the

What is perplexity?
Question 1 options:
A metric that indicates the likelihood that a topic is included in a document
A metric that measures the accuracy of a predicted match between a topic and a document
A metric that indicates the likelihood that terms within a topic are related to each other
A metric for the overall efficiency of a model that is used for topic analysis

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