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The coherence of different topic numbers
| Number of topics | Paris | Amsterdam | Lisbon |
|---|---|---|---|
| 3 | -6.51 | -8.24 | -11.96 |
| 4 | -7.41 | -10.19 | -11.03 |
| 5 | -6.09 | -9.88 | -11.32 |
| 6 | -8.90 | -11.40 | -12.47 |
| 7 | -9.03 | -11.35 | -12.85 |
| 8 | -9.98 | -12.65 | -12.64 |
The higher the consistency, the higher the topic quality obtained by the LDA model
