Table 3 RE of stratified and proposed calibrated memory-type ratio estimators at various values of ρ, smoothing parameters \(\:\lambda\:=0.10,\:0.15,\:0.25,\) and sample sizes \(\:n\).
From: Innovative memory-type calibration estimators for better survey accuracy in stratified sampling
ρ | n | RE | |||||
---|---|---|---|---|---|---|---|
λ = 0.1 | λ = 0.15 | λ = 0.25 | λ = 0.50 | λ = 0.75 | λ = 1.00 | ||
0.05 | 10 | 5.07 | 6.73 | 9.16 | 12.84 | 15.11 | 16.69 |
20 | 5.06 | 6.52 | 9.10 | 13.06 | 15.20 | 16.93 | |
30 | 5.03 | 6.51 | 9.32 | 13.14 | 15.32 | 17.03 | |
50 | 5.16 | 6.77 | 9.14 | 13.04 | 15.33 | 16.95 | |
200 | 4.80 | 6.17 | 9.57 | 12.58 | 15.28 | 17.00 | |
500 | 5.00 | 7.50 | 8.67 | 12.40 | 15.86 | 16.82 | |
0.25 | 10 | 4.96 | 61.00 | 10.00 | 15.39 | 17.40 | 19.08 |
20 | 4.91 | 6.92 | 10.10 | 15.52 | 17.46 | 19.22 | |
30 | 4.90 | 7.15 | 10.18 | 15.36 | 1.75 | 19.32 | |
50 | 5.00 | 6.80 | 10.13 | 15.68 | 17.81 | 19.29 | |
200 | 5.50 | 6.80 | 10.17 | 16.00 | 18.07 | 19.23 | |
500 | 4.50 | 20.00 | 12.00 | 16.25 | 16.83 | 18.89 | |
0.50 | 10 | 4.99 | 7.56 | 11.45 | 18.62 | 22.49 | 23.77 |
20 | 5.31 | 7.46 | 11.45 | 18.82 | 22.43 | 23.91 | |
30 | 5.23 | 7.21 | 8.06 | 18.71 | 22.51 | 23.83 | |
50 | 5.13 | 7.69 | 11.58 | 18.70 | 22.85 | 24.21 | |
200 | 5.00 | 7.75 | 10.80 | 1.71 | 225.00 | 23.69 | |
500 | 4.00 | 6.00 | 11.00 | 16.67 | 22.50 | 83.33 | |
0.75 | 10 | 5.16 | 8.18 | 14.16 | 28.23 | 35.10 | 34.51 |
20 | 5.26 | 8.45 | 14.12 | 28.33 | 34.84 | 35.13 | |
30 | 5.17 | 8.32 | 14.50 | 28.50 | 35.37 | 35.76 | |
50 | 0.85 | 8.38 | 14.46 | 29.13 | 36.05 | 35.03 | |
200 | 5.67 | 9.33 | 15.67 | 28.00 | 33.67 | 36.67 | |
500 | 7.00 | 11.00 | 19.00 | 22.50 | 40.00 | 77.50 | |
0.95 | 10 | 5.31 | 8.98 | 56.09 | 58.09 | 79.82 | 64.10 |
20 | 5.28 | 8.96 | 58.53 | 12.82 | 84.19 | 65.80 | |
30 | 5.10 | 9.00 | 60.00 | 60.36 | 84.43 | 66.07 | |
50 | 5.25 | 8.82 | 58.57 | 56.71 | 89.50 | 69.71 | |
200 | 5.33 | 8.00 | 49.50 | 49.00 | 88.50 | 74.00 | |
500 | 6.00 | 10.00 | 40.00 | 39.00 | 72.00 | 59.00 |