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Latent Dirichlet Allocation
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Latent Dirichlet Allocation
Frequently Asked Questions
General
1. Who created latent dirichlet allocation and when was it published?
2. Is latent dirichlet allocation a supervised or unsupervised method?
3. What is the difference between latent dirichlet allocation and latent semantic analysis?
4. What is a good coherence score for an LDA model?
5. How do I choose the right number of topics in LDA?
6. Can latent dirichlet allocation work on languages other than English?
7. What kind of data preprocessing does LDA need?
8. How is LDA different from BERTopic?
9. Can you use LDA for sentiment analysis?
10. Is latent dirichlet allocation still used in 2026?
11. What is perplexity in the context of LDA?