Table 4.
Mean absolute prediction errors broken down for the six different prediction techniques, the nine different anatomical feature sets, and three age‐groups
| Methods | MLR | RR | NN | KNN | SVM | RF | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Datasets | Age | M | SD | M | SD | M | SD | M | SD | M | SD | M | SD |
| Area | 8–18 | 1.99 | 1.69 | 2.48 | 1.97 | 2.07 | 1.46 | 2.07 | 1.47 | 1.78 | 1.61 | 1.43 | 1.21 |
| 18–65 | 8.38 | 6.50 | 10.23 | 9.40 | 8.14 | 6.94 | 9.76 | 7.36 | 8.68 | 8.56 | 6.61 | 6.47 | |
| 65–96 | 10.62 | 8.34 | 14.64 | 12.85 | 9.77 | 9.26 | 12.48 | 8.88 | 11.45 | 9.75 | 8.17 | 7.81 | |
| Thickness | 8–18 | 1.67 | 1.62 | 2.32 | 1.72 | 1.48 | 1.21 | 1.98 | 1.62 | 1.59 | 1.27 | 1.34 | 1.22 |
| 18–65 | 7.74 | 6.01 | 11.30 | 7.22 | 7.06 | 6.18 | 8.20 | 7.91 | 8.42 | 8.74 | 5.99 | 6.20 | |
| 65–96 | 9.64 | 7.27 | 14.91 | 10.99 | 8.46 | 7.26 | 10.59 | 9.80 | 11.45 | 10.62 | 7.90 | 7.76 | |
| Volume | 8–18 | 1.88 | 1.93 | 2.58 | 2.14 | 1.57 | 1.29 | 1.57 | 1.26 | 1.38 | 1.37 | 1.15 | 1.08 |
| 18–65 | 7.45 | 5.81 | 10.16 | 9.09 | 7.03 | 6.30 | 8.01 | 6.24 | 7.48 | 7.36 | 5.43 | 5.48 | |
| 65–96 | 9.40 | 7.12 | 14.01 | 13.45 | 8.28 | 7.42 | 8.57 | 7.73 | 9.98 | 8.21 | 6.21 | 6.99 | |
| Area+ | 8–18 | 1.63 | 1.63 | 2.31 | 1.66 | 1.78 | 1.42 | 1.96 | 1.43 | 1.43 | 1.23 | 1.08 | 1.06 |
| 18–65 | 6.16 | 4.85 | 10.39 | 7.95 | 5.52 | 4.97 | 8.83 | 6.77 | 6.71 | 7.06 | 4.69 | 5.15 | |
| 65–96 | 7.41 | 5.53 | 14.82 | 10.74 | 17.06 | 10.98 | 10.75 | 8.09 | 8.94 | 8.02 | 4.93 | 5.56 | |
| Thickness+ | 8–18 | 1.29 | 1.28 | 2.31 | 1.66 | 1.46 | 1.13 | 1.92 | 1.60 | 1.33 | 1.11 | 1.09 | 1.05 |
| 18–65 | 5.82 | 4.77 | 10.22 | 7.81 | 5.08 | 4.67 | 6.97 | 6.92 | 6.58 | 7.03 | 4.35 | 4.90 | |
| 65–96 | 6.97 | 5.62 | 14.23 | 11.56 | 9.95 | 15.28 | 8.81 | 8.17 | 8.90 | 8.30 | 4.90 | 5.72 | |
| Volume+ | 8–18 | 1.59 | 1.70 | 2.50 | 2.07 | 1.23 | 1.17 | 1.54 | 1.29 | 1.24 | 1.22 | 1.12 | 1.08 |
| 18–65 | 6.07 | 5.03 | 9.78 | 8.97 | 5.02 | 4.84 | 6.96 | 6.18 | 6.49 | 6.65 | 4.53 | 5.17 | |
| 65–96 | 7.36 | 5.86 | 13.98 | 12.73 | 5.90 | 5.27 | 8.00 | 7.06 | 8.66 | 7.18 | 4.96 | 5.65 | |
| 11 LBR | 8–18 | 1.47 | 1.06 | 2.37 | 1.68 | 1.44 | 1.21 | 1.65 | 1.27 | 1.68 | 1.26 | 1.11 | 1.01 |
| 18–65 | 6.98 | 5.56 | 10.03 | 8.72 | 5.55 | 5.58 | 6.20 | 6.11 | 7.54 | 8.20 | 4.70 | 5.20 | |
| 65–96 | 8.58 | 6.34 | 14.29 | 12.52 | 6.21 | 6.38 | 6.81 | 6.63 | 10.79 | 10.81 | 5.08 | 5.49 | |
| All | 8–18 | 2.84 | 4.16 | 9.53 | 2.69 | 1.23 | 1.02 | 1.55 | 1.27 | 0.99 | 1.03 | 1.02 | 0.96 |
| 18–65 | 5.03 | 4.25 | 14.57 | 12.35 | 4.50 | 4.22 | 6.23 | 5.71 | 5.15 | 4.72 | 4.18 | 4.63 | |
| 65–96 | 5.59 | 4.94 | 26.46 | 17.88 | 4.97 | 4.64 | 6.84 | 6.21 | 6.01 | 5.06 | 4.54 | 5.16 | |
| All+ | 8–18 | 5.48 | 7.94 | 2.26 | 1.65 | 1.42 | 1.57 | 1.62 | 1.32 | 1.14 | 1.16 | 1.11 | 1.00 |
| 18–65 | 5.33 | 4.40 | 9.68 | 8.73 | 4.35 | 4.90 | 7.09 | 6.02 | 5.65 | 5.34 | 4.49 | 4.88 | |
| 65–96 | 6.10 | 4.95 | 13.94 | 12.00 | 5.35 | 5.05 | 8.10 | 7.08 | 7.04 | 5.93 | 4.84 | 5.65 | |