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Performance of the grouping and “grouping + snapshot” models based on different imputation methods.
| Imputation Methods | AUC of Grouping Model | AUC of Grouping + Snapshot Model |
|---|---|---|
| No Imputation | 0.592 | NA |
| Mean | 0.620 | 0.637 |
| MICE-interval | 0.612 | 0.627 |
| MICE-interval-norm | 0.610 | 0.630 |
| MICE | 0.619 | 0.625 |
| MICE-norm | 0.611 | 0.639 |
| Customized Linear Interpolation | 0.637 | 0.661 |
