Table 5.
Simulation Results: Comparison of MSE and performance of DICO in MVN and OMVN models. The columns correspond to the models fit and the rows to the scenario under which the data was generated.
| Parameter | MVN |
OMVN |
|||
|---|---|---|---|---|---|
| MAR | MNAR | MAR | MNAR | ||
| MVN, Sample Size 50 | |||||
| MAR | E(Y2) | 2.25 | 11.6 | 3.32 | 10.9 |
| E(Y3) | 7.40 | 23.3 | 7.94 | 24.1 | |
| MNAR | E(Y2) | 8.72 | 3.47 | 11.5 | 4.45 |
| E(Y3) | 19.0 | 9.82 | 18.7 | 10.1 | |
| DICO (rate in favor) | 610.3(78.0%) | 613.6(22.0%) | |||
| MVN, Sample Size 150 | |||||
| MAR | E(Y2) | 0.77 | 8.82 | 1.09 | 7.79 |
| E(Y3) | 2.26 | 16.9 | 2.53 | 16.6 | |
| MNAR | E(Y2) | 7.75 | 1.22 | 9.43 | 1.55 |
| E(Y3) | 12.8 | 2.98 | 13.7 | 3.27 | |
| DICO (rate in favor) | 1780.3( 73.3%) | 1783.9 (26.7%) | |||
| MVN, Sample Size 500 | |||||
| MAR | E(Y2) | 0.26 | 7.70 | 0.45 | 6.43 |
| E(Y3) | 0.93 | 14.9 | 0.91 | 14.2 | |
| MNAR | E(Y2) | 7.55 | 0.41 | 9.19 | 0.59 |
| E(Y3) | 11.2 | 1.09 | 12.0 | 1.12 | |
| DICO (rate in favor) | 5874.7( 75.2%) | 5880.7 (24.8%) | |||
| OMVN, Sample Size 50 | |||||
| MAR | E(Y2) | 3.65 | 4.37 | 2.85 | 9.06 |
| E(Y3) | 11.9 | 22.9 | 11.7 | 27.9 | |
| MNAR | E(Y2) | 18.3 | 4.50 | 12.1 | 3.80 |
| E(Y3) | 27.8 | 13.1 | 23.0 | 13.4 | |
| DICO (rate in favor) | 676.9( 0.9%) | 649.4 (99.1%) | |||
| OMVN, Sample Size 150 | |||||
| MAR | E(Y2) | 2.45 | 2.61 | 0.96 | 7.53 |
| E(Y3) | 3.35 | 11.5 | 3.45 | 17.7 | |
| MNAR | E(Y2) | 17.3 | 2.74 | 9.32 | 1.31 |
| E(Y3) | 21.5 | 3.91 | 15.0 | 3.99 | |
| DICO (rate in favor) | 1970.5( 0.0%) | 1883.5 (100.0%) | |||
| OMVN, Sample Size 500 | |||||
| MAR | E(Y2) | 2.10 | 2.00 | 0.35 | 6.56 |
| E(Y3) | 1.13 | 10.3 | 1.14 | 16.3 | |
| MNAR | E(Y2) | 16.8 | 2.22 | 8.81 | 0.50 |
| E(Y3) | 17.5 | 1.43 | 11.3 | 1.26 | |
| DICO (rate in favor) | 6515.6( 0.0%) | 6213.1 (100.0%) | |||
Bold indicates the MSE results for the true model. Rate in favor corresponds to the percentage of simulated datasets where the model (either MVN or OMVN) had a smaller DICO.