Table 2.
Classification performance (mean percentage and 95% confidence intervals) of the variable-time segmentation approach for different values of ARL 0 (upper three rows) and of the fixed-time segmentation approach for different fixed segment lengths (lower four rows)
| Segmentation | ARL0 | Fixed length (s) | Attack (%) | Body care (%) | Fly (%) | Handle (%) | Inactive (%) | Peck (%) | Search (%) | Walk (%) |
|---|---|---|---|---|---|---|---|---|---|---|
| Variable-time | 500 | 5.0 (0–24.1) | 65.9 (50.3-78.0) | 89.8 (55.6-100) | 77.6 (70.5-84.4) | 94.5 (93.5-95.4) | 13.5 (0–28.6) | 74.5 (67.0-81.6) | 87.6 (85.2-89.7) | |
| 5,000 | 2.8 (0–17.5) | 64.4 (47.3-77.7) | 87.8 (52.7-100) | 80.3 (73.0-86.7) | 94.8 (93.8-95.7) | 17.2 (0–33.5) | 77.1 (69.2-84.8) | 87.8 (84.9-90.2) | ||
| 50,000 | 2.2 (0–16.2) | 67.6 (52.4-81.4) | 89.4 (47.7-100) | 83.7 (76.3-90.1) | 94.7 (93.6-95.6) | 14.5 (0–33.6) | 77.7 (69.8-85.3) | 87.8 (84.8-90.3) | ||
| Fixed-time | 0.5 | 7.3 (0–21.9) | 64.6 (57.2-71.3) | 87.6 (78.3-95.7) | 70.4 (65.6-75.3) | 93.9 (93.0-94.8) | 0.4 (0–5.2) | 66.3 (60.9-71.8) | 88.5 (86.7-90.1) | |
| 1 | 0.7 (0–10.2) | 71.6 (62.8-80.3) | 90.8 (80.8-100) | 76.5 (70.1-82.4) | 92.2 (91.0-93.3) | 4.1 (0–16.0) | 67.0 (60.4-73.2) | 87.4 (85.4-89.5) | ||
| 2 | 62.7 (49.6-75.6) | 90.8 (77.9-100) | 76.6 (68.5-84.2) | 88.2 (86.3-89.8) | 61.8 (53.2-68.9) | 82.5 (79.6-85.5) | ||||
| 3 | 50.4 (35.0-66.0) | 95.0 (83.7-100) | 73.0 (62.9-81.8) | 85.0 (82.8-87.3) | 46.9 (37.5-56.5) | 80.8 (76.6-84.5) |