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%