Pooling Incomplete Data Sets
- University of Gothenburg, Sweden
Cite this article
as: A. Klevmarken; 2022; Pooling Incomplete Data Sets; International Journal of Microsimulation; 15(1); 31-42.
doi: 10.34196/ijm.00248
Tables
Table 1
Results from seven simulation experiments
| γ1 | γ2 | γ3 | γ4 | γ5 | γ6 | ||
|---|---|---|---|---|---|---|---|
| Parameter values | 3.594 | 0.400 | 0.040 | -0.00043 | 0.644 | -0.0723 | |
| Simulation 1: | TSLS | ||||||
| nA | 288 | ||||||
| nB | 288 | ||||||
| Replications | 800 | ||||||
| Relative bias(%) | 0.42 | -0.82 | 2.42 | 1.72 | 0.79 | 1.36 | |
| Relative | 32.82 | 29.55 | 57.50 | 53.49 | 27.00 | 36.66 | |
| Relative sq. root mean | |||||||
| variance estimate (%) | 33.46 | 30.30 | 56.00 | 53.49 | 27.83 | 38.59 | |
| Simulation 2: | LS, X2=LDISP known | ||||||
| nA | 288 | ||||||
| Replications | 400 | ||||||
| Relative | 29.54 | 24.60 | 56.25 | 53.49 | 24.78 | 34.16 | |
| Relative sq. root mean | |||||||
| variance estimate (%) | 28.54 | 24.75 | 54.75 | 51.16 | 26.89 | 37.48 | |
| Simulation 3: | TSLS | ||||||
| nA | 720 | ||||||
| nB | 720 | ||||||
| Replications | 600 | ||||||
| Relative bias (%) | -1.00 | 0.61 | 1.83 | 0.28 | -0.14 | -1.14 | |
| Relative | 21.82 | 19.16 | 35.30 | 33.23 | 17.23 | 24.17 | |
| Relative sq. root mean | |||||||
| variance estimate (%) | 21.22 | 19.21 | 35.54 | 33.53 | 17.64 | 24.45 | |
| Simulation 4: | LS, X2=LDISP known | ||||||
| nA | 720 | ||||||
| Replications | 1000 | ||||||
| Relative | 17.57 | 15.05 | 34.83 | 32.94 | 16.62 | 23.49 | |
| Relative sq. root mean | |||||||
| variance estimate (%) | 17.99 | 15.61 | 34.57 | 32.66 | 16.99 | 23.69 | |
| Simulation 5: | TSLS, wrong predictors | ||||||
| nA | 720 | ||||||
| nB | 720 | ||||||
| Replications | 600 | ||||||
| Relative bias (%) | 1.62 | -4.86 | 2.18 | -0.22 | 9.13 | -7.70 | |
| Relative | 24.16 | 22.57 | 37.55 | 35.52 | 19.66 | 25.84 | |
| Relative sq. root mean | |||||||
| variance estimate (%) | 24.02 | 21.56 | 36.22 | 34.28 | 17.38 | 24.51 | |
| Simulation 6: | TSLS | ||||||
| nA | 360 | ||||||
| nB | 1080 | ||||||
| Replications | 400 | ||||||
| Relative bias (%) | -1.37 | 2.24 | -5.30 | 5.47 | -1.65 | 3.02 | |
| Relative | 31.11 | 31.31 | 59.01 | 56.01 | 28.78 | 42.99 | |
| Relative sq. root mean | |||||||
| variance estimate (%) | 29.74 | 29.85 | 60.06 | 57.20 | 27.48 | 40.72 | |
| Simulation 7: | LS, X2=LDISP known | ||||||
| nA | 360 | ||||||
| Replications | 400 | ||||||
| Relative bias (%) | |||||||
| Relative | 25.37 | 23.90 | 54.13 | 51.74 | 27.62 | 41.92 | |
| Relative sq. root mean | |||||||
| variance estimate (%) | 24.91 | 23.56 | 56.28 | 53.79 | 26.59 | 39.77 | |
Data and code availability
Not applicable.
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