BMC Bioinformatics· 2015Q1
A heuristic approach to determine an appropriate number of topics in topic modeling
- 393citations
- Q1SCImago
- 2015year
Short summary
A new heuristic method using the rate of perplexity change (RPC) effectively estimates the optimal number of topics in Latent Dirichlet Allocation (LDA) models, reducing the need for extensive manual evaluation.
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