Comparison of different data imputation methods by RMSE and MAE with MIMIC-III dataset
| Missing Rate | RMSE | MAE | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zero | Mean | KNN [20] | Brits [3] | ReMasker [8] | CSDI [25] | MTDM | Zero | Mean | KNN [20] | Brits [3] | ReMasker [8] | CSDI [25] | MTDM | |
| 10% | 0.996 | 0.995 | 1.011 | 0.805 | 0.727 | 0.86 | 0.665 | 0.742 | 0.742 | 0.778 | 0.537 | 0.506 | 0.605 | 0.360 |
| 30% | 1.001 | 1.001 | 1.000 | 0.797 | 0.746 | 0.898 | 0.687 | 0.744 | 0.744 | 0.744 | 0.531 | 0.495 | 0.646 | 0.368 |
| 50% | 0.999 | 1 | 1.001 | 0.787 | 0.753 | 0.937 | 0.693 | 0.745 | 0.744 | 0.776 | 0.525 | 0.525 | 0.694 | 0.386 |
| 70% | 1.001 | 1.001 | 1.000 | 0.794 | 0.796 | 0.988 | 0.677 | 0.745 | 0.744 | 0.775 | 0.529 | 0.592 | 0.716 | 0.365 |
| 90% | 0.999 | 1.000 | 1.000 | 0.793 | 0.983 | 1.001 | 0.687 | 0.745 | 0.745 | 0.776 | 0.529 | 0.764 | 0.715 | 0.361 |
| Missing Rate | RMSE | MAE | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zero | Mean | KNN [ | Brits [ | ReMasker [ | CSDI [ | MTDM | Zero | Mean | KNN [ | Brits [ | ReMasker [ | CSDI [ | MTDM | |
| 10% | 0.996 | 0.995 | 1.011 | 0.805 | 0.727 | 0.86 | 0.742 | 0.742 | 0.778 | 0.537 | 0.506 | 0.605 | ||
| 30% | 1.001 | 1.001 | 1.000 | 0.797 | 0.746 | 0.898 | 0.744 | 0.744 | 0.744 | 0.531 | 0.495 | 0.646 | ||
| 50% | 0.999 | 1 | 1.001 | 0.787 | 0.753 | 0.937 | 0.745 | 0.744 | 0.776 | 0.525 | 0.525 | 0.694 | ||
| 70% | 1.001 | 1.001 | 1.000 | 0.794 | 0.796 | 0.988 | 0.745 | 0.744 | 0.775 | 0.529 | 0.592 | 0.716 | ||
| 90% | 0.999 | 1.000 | 1.000 | 0.793 | 0.983 | 1.001 | 0.745 | 0.745 | 0.776 | 0.529 | 0.764 | 0.715 | ||