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Root mean square error of the 10-fold cross validation of support vector regression to engagement.
| Feature | Like | Comment | Engagement |
|---|---|---|---|
| Face features | 10.368 | 2.249 | 10.584 |
| OCR feature | 10.366 | 2.25 | 10.582 |
| Pixel features | 10.363 | 2.249 | 10.580 |
| Visual features | 10.355 | 2.248 | 10.572 |
| All features | 10.352 | 2.245 | 10.568 |
