Age group | Regression models | R2 | RMSE | P-value |
2 - 3 yrs | Y = 8.12TL + 1.99 | 0.91 | 4.17 | <0.0001 |
Y = 16.94NL + 17.83 | 0.52 | 9.85 | 0.0047 | |
Y = 4.83HG + 15.87 | 0.81 | 6.11 | <0.0001 | |
Y = 4.88FC + 6.19 | 0.79 | 7.12 | <0.0001 | |
Y = 21.03RW + 14.42 | 0.93 | 3.60 | <0.0001 | |
Y = 2.35CD + 12.33 | 0.90 | 4.49 | <0.0001 | |
4 - 5 yrs | Y = 9.60TL + 2.12 | 0.95 | 2.01 | <0.0001 |
Y = 8.24NL + 35.55 | 0.33 | 8.29 | 0.0495 | |
Y = 3.27HG + 26.46 | 0.68 | 5.41 | 0.0005 | |
Y = 3.18FC + 21.31 | 0.77 | 4.61 | 0.0001 | |
Y = 19.37RW + 15.45 | 0.91 | 2.79 | <0.0001 | |
Y = 3.20CD + 18.70 | 0.51 | 6.77 | 0.0054 | |
Overall | Y = 8.00TL + 6.20 | 0.82 | 4.97 | <0.0001 |
Y = 12.01NL + 27.81 | 0.38 | 9.41 | 0.0007 | |
Y = 4.13HG + 20.49 | 0.76 | 5.88 | <0.0001 | |
Y = 4.02FC + 13.48 | 0.77 | 5.69 | <0.0001 | |
Y = 20.16RW + 14.90 | 0.92 | 3.21 | <0.0001 | |
Y = 2.75CD + 20.31 | 0.71 | 6.43 | <0.0001 |