Selection of the Optimal Number of Topics for LDA Topic Model—Taking Patent Policy Analysis as an Ex...
Selection of the Optimal Number of Topics for LDA Topic Model—Taking Patent Policy Analysis as an Example
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Basel: MDPI AG
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English
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Basel: MDPI AG
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This study constructs a comprehensive index to effectively judge the optimal number of topics in the LDA topic model. Based on the requirements for selecting the number of topics, a comprehensive judgment index of perplexity, isolation, stability, and coincidence is constructed to select the number of topics. This method provides four advantages to...
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Selection of the Optimal Number of Topics for LDA Topic Model—Taking Patent Policy Analysis as an Example
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TN_cdi_doaj_primary_oai_doaj_org_article_aa4d242c2ce640d88e48d57512b7a56e
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_doaj_primary_oai_doaj_org_article_aa4d242c2ce640d88e48d57512b7a56e
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ISSN
1099-4300
E-ISSN
1099-4300
DOI
10.3390/e23101301
