Table 1.
Performance of LDA wrt the number of topics. Best performance are reached by a number of topics equal to 3.
| Number of Topics | Coherence Score | Perplexity |
|---|---|---|
| 3 | 0.407 | −7.248 |
| 5 | 0.332 | −7.337 |
| 7 | 0.299 | −7.398 |
| 10 | 0.346 | −7.5239 |
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