Table 8 RE of memory-type and proposed calibrated ratio estimators at different values of correlation coefficient 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 | 49.41 | 74.06 | 100.91 | 144.00 | 168.44 | 186.83 |
20 | 54.96 | 73.61 | 101.49 | 143.01 | 168.46 | 188.23 | |
30 | 56.03 | 75.14 | 102.21 | 144.54 | 169.58 | 188.12 | |
50 | 55.89 | 72.91 | 102.21 | 143.87 | 170.99 | 188.38 | |
200 | 55.60 | 82.00 | 10.10 | 152.27 | 167.94 | 189.74 | |
500 | 55.50 | 84.00 | 98.33 | 135.00 | 17.47 | 185.09 | |
0.25 | 10 | 54.83 | 76.07 | 109.95 | 164.65 | 193.68 | 210.73 |
20 | 56.80 | 77.98 | 110.53 | 164.40 | 195.26 | 214.59 | |
30 | 58.93 | 75.21 | 112.53 | 164.14 | 401.17 | 214.40 | |
50 | 56.33 | 77.95 | 112.58 | 166.34 | 196.74 | 212.85 | |
200 | 60.50 | 76.80 | 113.50 | 175.78 | 203.29 | 212.86 | |
500 | 50.00 | 7.50 | 135.00 | 155.75 | 188.83 | 209.33 | |
0.50 | 10 | 55.99 | 80.86 | 126.90 | 205.48 | 248.72 | 265.56 |
20 | 56.82 | 81.43 | 127.15 | 209.83 | 250.16 | 266.39 | |
30 | 57.04 | 83.22 | 129.61 | 207.67 | 250.45 | 266.26 | |
50 | 57.33 | 82.65 | 125.26 | 212.19 | 252.45 | 267.08 | |
200 | 54.50 | 83.25 | 120.20 | 198.40 | 252.90 | 279.40 | |
500 | 445.00 | 66.50 | 118.50 | 184.33 | 25.20 | 279.17 | |
0.75 | 10 | 57.79 | 88.04 | 156.72 | 312.69 | 388.94 | 82.65 |
20 | 58.73 | 90.61 | 159.39 | 316.69 | 395.52 | 83.46 | |
30 | 58.14 | 91.50 | 161.27 | 313.04 | 403.22 | 83.27 | |
50 | 60.54 | 92.46 | 165.54 | 307.81 | 405.00 | 83.80 | |
200 | 6.43 | 100.00 | 177.00 | 30.65 | 364.33 | 77.85 | |
500 | 77.00 | 123.00 | 212.00 | 249.00 | 44.10 | 74.65 | |
0.95 | 10 | 59.42 | 100.75 | 209.52 | 643.41 | 894.66 | 707.74 |
20 | 59.66 | 100.89 | 211.91 | 647.71 | 935.62 | 740.02 | |
30 | 56.10 | 103.17 | 214.47 | 671.09 | 944.57 | 738.03 | |
50 | 60.75 | 95.82 | 208.22 | 61.89 | 991.75 | 737.61 | |
200 | 58.00 | 87.00 | 235.00 | 551.50 | 995.00 | 824.75 | |
500 | 71.00 | 104.00 | 192.00 | 63.14 | 791.00 | 666.00 | |
