Selection of the Optimal Number of Topics for LDA Topic Model-Taking Patent Policy Analysis as an Example.

Entropy (Basel) · 2021 · PMC8534395 · PMID 34682025

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a decreasing trendno p-value reported

an increasing trendno p-value reported

In the WOS_46986 dataset, the score curve shows a decreasing trend in the range of two to five topics, an increasing trend in the range of five to 10 topics, and a decreasing trend again after the number of topics is greater than 10.

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