Table 4:
Real data experiment with n = 649 and p = 10001 under MAR. Approximately 20% features and 76% cases contain missing values. Linear RR, MICE, MIWAE and GAIN are not included due to running out of RAM. Detailed experiment setup information is in appendix.
| Models | Style | Time(s) | Imp MSE | SE() | |
|---|---|---|---|---|---|
| SoftImpute | SI | 1008.6 | 0.0591 | 0.0213 | 0.0119 |
| Sinkhorn | MI | 843.3 | 0.0797 | 0.0223 | 0.0128 |
| MI-NNGP1 | MI | 7.1 | 0.0637 | 0.0161 | 0.0104 |
| MI-NNGP1-BS | MI | 7.8 | 0.0685 | 0.0153 | 0.0112 |
| MI-NNGP2 | MI | 11.8 | 0.0617 | 0.0171 | 0.0106 |
| MI-NNGP2-BS | MI | 21.3 | 0.0640 | 0.0166 | 0.0110 |
| Complete data | - | - | - | 0.0160 | 0.0085 |
| Complete case | - | - | - | 0.0221 | 0.0185 |
| ColMean Imp | SI | - | 0.1534 | 0.0188 | 0.0136 |