Table 6:
Exponential data with n = 200 and p = 1001 under MAR. Approximately 40% features and 92% cases contain missing values. Here Linear RR and MICE are not included due to running out of RAM.
| Models | Style | Time(s) | Imp MSE | Bias() | CR() | SE() | SD() |
|---|---|---|---|---|---|---|---|
| SoftImpute | SI | 37.8 | 0.6284 | −0.5896 | 0.92 | 0.6348 | 0.4858 |
| GAIN | SI | 130.9 | 1.691 | −0.7217 | 0.40 | 0.4611 | 2.229 |
| MIWAE | SI | 58.4 | 1.530 | 0.5626 | 0.05 | 0.1522 | 0.1456 |
| Sinkhorn | MI | 42.1 | 0.3845 | −0.2077 | 1.00 | 0.4566 | 0.2832 |
| MI-NNGP1 | MI | 3.1 | 0.3296 | −0.0421 | 0.75 | 0.1757 | 0.3220 |
| MI-NNGP1-BS | MI | 3.4 | 0.4543 | −0.0570 | 1.00 | 0.3366 | 0.2466 |
| MI-NNGP2 | MI | 3.9 | 0.2358 | 0.1098 | 0.80 | 0.2312 | 0.3383 |
| MI-NNGP2-BS | MI | 10.3 | 0.2516 | −0.0242 | 0.95 | 0.3203 | 0.3037 |
| Complete data | - | - | - | 0.0156 | 0.95 | 0.0978 | 0.0938 |
| Complete case | - | - | - | 0.1726 | 0.89 | 0.3984 | 0.4534 |
| ColMean Imp | SI | - | 0.3794 | −0.1506 | 1.00 | 0.4556 | 0.3123 |