Table 2.
Average number of prototypes of malignant (M) and benign (B) masses and normal tissue (N) divided into training, validation, and test sets, distributed by density value.
| Average distribution of prototypes by density value in the 30-fold cross validation study | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Density | Training | Validation | Test | |||||||
| M | B | N | M | B | N | M | B | N | Total | |
| 1 | 158.2 | 132.9 | 280.0 | 50.8 | 43.0 | 89.3 | 7.0 | 6.0 | 12.7 | 780.0 |
| 2 | 402.9 | 349.4 | 720.0 | 129.0 | 111.9 | 232.0 | 18.0 | 15.7 | 32.4 | 2012.0 |
| 3 | 236.3 | 238.9 | 559.6 | 76.2 | 76.3 | 178.5 | 10.5 | 10.8 | 25.0 | 1412.0 |
| 4 | 78.9 | 108.3 | 432.9 | 25.5 | 34.8 | 139.7 | 3.6 | 4.8 | 19.4 | 848.0 |
|
| ||||||||||
| Overall | 876.3 | 829.5 | 1192.5 | 281.5 | 266.0 | 639.5 | 39.1 | 37.3 | 89.5 | 5052.0 |