Table 2.
Dataset statistics.
| Depression level | Training set (n) | Test set (n) |
| 3 | 103 | 26 |
| 2 | 520 | 130 |
| 1 | 1103 | 276 |
| 0 | 9468 | 2367 |
| All | 11,194 | 2799 |
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