Table 4 Percentage of images showing nestlings from a given age class that were correctly estimated (sensitivity; center) and over- and under-estimated (right and left, respectively) by one or two age classes
| Class | Under-estimated by (%) | Correctly estimated (%) | Over-estimated by (%) | ||
|---|---|---|---|---|---|
| 2 | 1 | 1 | 2 | ||
| 1 | – | – | 88.99 (16) | 5.66 (1) | 5.66 (1) |
| 4 | 0 | 16.77 (3) | 77.88 (14) | 5.66 (1) | 0 |
| 7 | 5.66 (1) | 55.66 (10) | 38.99 (7) | 0 | 0 |
| 10 | 22.22 (4) | 5.66 (1) | 72.22 (13) | 0 | 0 |
| 13 | 0 | 5.66 (1) | 88.99 (16) | 5.66 (1) | 0 |
| 16 | 0 | 0 | 100.00 (18) | 0 | 0 |
| 19 | 0 | 11.11 (2) | 77.88 (14) | 11.11 (2) | 0 |
| 22 | 0 | 27.88 (5) | 72.22 (13) | 0 | 0 |
| 25 | 0 | 16.77 (3) | 55.66 (10) | 27.88 (5) | 0 |
| 28 | 5.66 (1) | 38.99 (7) | 55.66 (10) | ‒ | ‒ |