From: Better performance for right-skewed data using an alternative gamma model
 |  | Population | ||||
---|---|---|---|---|---|---|
Criterion | Model a | Overall | GEC Cohort | HBPC | JFI < 6 | JFI ≥ 6 |
N | Â | 4 838 736 | 330 358 | 69 649 | 4 427 618 | 411 118 |
R2 | Scale | Negb | 0.40 | 0.45 | Negb | 0.37 |
Shape | 0.57 | 0.62 | 0.61 | 0.41 | 0.57 | |
 | Both | Negb | 0.51 | 0.50 | Negb | 0.45 |
RMSE | Scale | 118 526 | 52 099 | 44 439 | 25 483 | 55 478 |
Shape | 18 592 | 41 585 | 37 501 | 11 973 | 45 826 | |
 | Both | 108 444 | 46 881 | 42 301 | 22 458 | 51 790 |
Max Error | Scale | -56 164 | -46 181 | -24 676 | -17 232 | -46 239 |
Shape | 8 369 | 9 198 | 9 789 | 4 675 | 9 436 | |
 | Both | -49 436 | -27 233 | -14 737 | -13 753 | -32 706 |