Design | Equal inclusion probabilities | |||||
Relative RMSE | Efficiency gain | |||||
n = 50 | n = 75 | n = 100 | n = 50 | n = 75 | n = 100 | |
SRS | 2.7492 | 2.1797 | 1.8700 | |||
LPM1 | 2.6296 | 2.1297 | 1.8282 | 4.35% | 2.29% | 2.23% |
LPM1 (linear calibration) | 2.6322 | 2.1307 | 1.8287 | 4.25% | 2.25% | 2.21% |
LPM1 (quadratic calibration) | 2.6238 | 2.1263 | 1.8275 | 4.56% | 2.45% | 2.27% |
LPM2 | 2.5829 | 2.1332 | 1.8045 | 6.05% | 2.13% | 3.50% |
LPM2 (linear calibration) | 2.5853 | 2.1342 | 1.8050 | 5.96% | 2.09% | 3.48% |
LPM2 (quadratic calibration) | 2.5747 | 2.1306 | 1.8039 | 6.35% | 2.25% | 3.53% |
SCPS | 2.6891 | 2.1237 | 1.8449 | 2.19% | 2.57% | 1.34% |
SCPS (linear calibration) | 2.6917 | 2.1246 | 1.8453 | 2.09% | 2.52% | 1.32% |
SCPS (quadratic calibration) | 2.6777 | 2.1202 | 1.8416 | 2.60% | 2.73% | 1.52% |
BS (linear balancing) | 2.6097 | 2.1426 | 1.8263 | 5.08% | 1.70% | 2.33% |
BS (quadratic balancing) | 2.6601 | 2.1472 | 1.7980 | 3.24% | 1.49% | 3.85% |
DBSS (linear balancing) | 2.5470 | 2.0832 | 1.7808 | 7.36% | 4.42% | 4.77% |
DBSS (quadratic balancing) | 2.6445 | 2.0910 | 1.7783 | 3.81% | 4.07% | 4.90% |