Table 8.
Hidden layer size experiments on five binary problems (see Columns 2–6). The results reported are class-weighted accuracies averaged over a 10-fold cross validation. The “Average” column is the average of performances on binary problems.
| Forward | Reverse | Sit-Down | Stand-Up | Handwave | Average | |
|---|---|---|---|---|---|---|
| biGRU (two-layer, 32-hidden) | 89.97 | 89.78 | 87.89 | 89.47 | 95.92 | 90.61 |
| biGRU (two-layer, 64-hidden) | 91.42 | 91.08 | 90.07 | 92.51 | 97.01 | 92.42 |
| biGRU (two-layer, 128-hidden) | 93.10 | 93.63 | 92.98 | 95.32 | 97.70 | 94.55 |
| biGRU (two-layer, 256-hidden) | 93.76 | 94.17 | 94.34 | 95.52 | 98.89 | 95.34 |
| biGRU (two-layer, 512-hidden) | 94.94 | 95.20 | 95.02 | 96.70 | 99.29 | 96.23 |