Table 5 Effects of feature selection and extraction approaches for single-task prediction for extraversion and leadership
From: Multi-domain and multi-task prediction of extraversion and leadership from meeting videos
| Â | Â | Extraversion | Leadership | ||||
|---|---|---|---|---|---|---|---|
| Â | # Ftrs | SVM | RIDGE | RF | SVM | RIDGE | RF |
None | 73 | 74.5 | 75.5 | 72.5 | 64.7 | 68.6 | 67.6 |
MRMR | 10 | 72.5 | 71.6 | 75.5 | 64.7 | 716 | 696 |
| Â | 20 | 72.5 | 67.6 | 75.5 | 57.8 | 64.7 | 71.6 |
| Â | 30 | 72.5 | 66.7 | 74.5 | 57.8 | 66.7 | 72.5 |
| Â | 40 | 76.5 | 72.5 | 75.5 | 67.6 | 63.7 | 72.5 |
| Â | 50 | 76.5 | 70.6 | 76.5 | 67.6 | 58.8 | 65.7 |
| Â | 60 | 75.5 | 73.5 | 74.5 | 66.7 | 65.7 | 71.6 |
| Â | 70 | 74.5 | 73.5 | 74.5 | 65.7 | 69.6 | 69.6 |
PCA | 10 | 57.8 | 66.7 | 58.8 | 52.0 | 64.7 | 61.8 |
| Â | 20 | 67.6 | 72.5 | 64.7 | 61.8 | 63.7 | 57.8 |
| Â | 30 | 69.6 | 67.6 | 65.7 | 62.7 | 58.8 | 57.8 |
| Â | 40 | 70.6 | 74.5 | 68.6 | 60.8 | 60.8 | 63.7 |
| Â | 50 | 74.5 | 70.6 | 66.7 | 62.7 | 66.7 | 55.9 |
| Â | 60 | 73.5 | 69.6 | 62.7 | 65.7 | 64.7 | 56.9 |
| Â | 70 | 73.5 | 62.7 | 66.7 | 65.7 | 57.8 | 55.9 |