Research Article
A Note on the Performance of Biased Estimators with Autocorrelated Errors
Table 1
Percent relative efficiency of the
class estimator over the PCTP estimator for
and
.
| ā | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | 0.1 | 0.1 | 2.60 | 2.39 | 2.24 | 2.28 | 2.09 | 1.96 | 1.11 | 1.02 | 0.96 | 0.89 | 0.81 | 0.75 | 0.78 | 0.71 | 0.66 | 0.41 | 0.37 | 0.35 | 0.5 | 1.57 | 1.44 | 1.36 | 1.38 | 1.26 | 1.19 | 0.67 | 0.62 | 0.58 | 0.54 | 0.49 | 0.45 | 0.47 | 0.43 | 0.40 | 0.25 | 0.23 | 0.21 | 0.9 | 0.55 | 0.50 | 0.47 | 0.48 | 0.44 | 0.41 | 0.23 | 0.21 | 0.20 | 0.19 | 0.17 | 0.16 | 0.16 | 0.15 | 0.14 | 0.09 | 0.08 | 0.07 | 0.5 | 0.1 | 2.68 | 2.46 | 2.31 | 2.36 | 2.16 | 2.03 | 1.15 | 1.06 | 1.00 | 0.92 | 0.84 | 0.78 | 0.81 | 0.74 | 0.68 | 0.42 | 0.39 | 0.36 | 0.5 | 2.13 | 1.96 | 1.84 | 1.87 | 1.72 | 1.61 | 0.91 | 0.84 | 0.79 | 0.73 | 0.67 | 0.62 | 0.64 | 0.58 | 0.54 | 0.34 | 0.31 | 0.29 | 0.9 | 1.58 | 1.45 | 1.36 | 1.39 | 1.27 | 1.19 | 0.67 | 0.62 | 0.58 | 0.54 | 0.49 | 0.46 | 0.47 | 0.43 | 0.40 | 0.25 | 0.23 | 0.21 | 0.9 | 0.1 | 2.76 | 2.54 | 2.38 | 2.43 | 2.23 | 2.09 | 1.19 | 1.10 | 1.04 | 0.96 | 0.87 | 0.81 | 0.84 | 0.76 | 0.71 | 0.44 | 0.40 | 0.38 | 0.5 | 2.68 | 2.47 | 2.32 | 2.36 | 2.16 | 2.03 | 1.15 | 1.06 | 1.00 | 0.92 | 0.84 | 0.78 | 0.81 | 0.74 | 0.68 | 0.42 | 0.39 | 0.36 | 0.9 | 2.60 | 2.39 | 2.25 | 2.29 | 2.10 | 1.96 | 1.11 | 1.02 | 0.96 | 0.89 | 0.81 | 0.75 | 0.78 | 0.71 | 0.66 | 0.41 | 0.37 | 0.35 | 2 | 0.1 | 2.96 | 2.73 | 2.57 | 2.62 | 2.41 | 2.26 | 1.30 | 1.20 | 1.14 | 1.05 | 0.95 | 0.89 | 0.92 | 0.84 | 0.78 | 0.49 | 0.45 | 0.42 | 0.5 | 4.14 | 3.81 | 3.58 | 3.65 | 3.35 | 3.14 | 1.80 | 1.66 | 1.56 | 1.44 | 1.31 | 1.22 | 1.27 | 1.15 | 1.07 | 0.67 | 0.61 | 0.57 | 0.9 | 5.34 | 4.91 | 4.62 | 4.70 | 4.31 | 4.04 | 2.30 | 2.12 | 2.00 | 1.84 | 1.68 | 1.56 | 1.61 | 1.47 | 1.36 | 0.85 | 0.78 | 0.72 |
| ā | 0.1 | 0.1 | 8.02 | 7.65 | 7.53 | 7.21 | 6.85 | 6.71 | 3.51 | 3.32 | 3.22 | 4.18 | 3.92 | 3.73 | 3.68 | 3.45 | 3.28 | 1.75 | 1.64 | 1.56 | 0.5 | 4.90 | 4.67 | 4.59 | 4.39 | 4.17 | 4.09 | 2.13 | 2.02 | 1.96 | 2.54 | 2.38 | 2.27 | 2.24 | 2.10 | 1.99 | 1.06 | 1.00 | 0.95 | 0.9 | 1.82 | 1.73 | 1.69 | 1.62 | 1.53 | 1.50 | 0.77 | 0.72 | 0.70 | 0.91 | 0.85 | 0.81 | 0.80 | 0.75 | 0.71 | 0.37 | 0.35 | 0.33 | 0.5 | 0.1 | 7.67 | 7.35 | 7.25 | 6.96 | 6.63 | 6.52 | 3.50 | 3.32 | 3.23 | 4.17 | 3.92 | 3.73 | 3.69 | 3.47 | 3.30 | 1.79 | 1.68 | 1.60 | 0.5 | 6.45 | 6.16 | 6.07 | 5.81 | 5.52 | 5.42 | 2.86 | 2.70 | 2.63 | 3.40 | 3.19 | 3.04 | 3.00 | 2.81 | 2.67 | 1.43 | 1.35 | 1.28 | 0.9 | 5.22 | 4.96 | 4.88 | 4.66 | 4.41 | 4.31 | 2.21 | 2.09 | 2.02 | 2.63 | 2.46 | 2.34 | 2.31 | 2.16 | 2.04 | 1.08 | 1.01 | 0.96 | 0.9 | 0.1 | 7.38 | 7.09 | 7.02 | 6.74 | 6.45 | 6.36 | 3.49 | 3.32 | 3.24 | 4.15 | 3.91 | 3.74 | 3.70 | 3.48 | 3.31 | 1.82 | 1.71 | 1.63 | 0.5 | 7.77 | 7.44 | 7.34 | 7.03 | 6.70 | 6.58 | 3.52 | 3.33 | 3.24 | 4.18 | 3.93 | 3.75 | 3.71 | 3.48 | 3.31 | 1.79 | 1.68 | 1.60 | 0.9 | 8.18 | 7.79 | 7.66 | 7.33 | 6.95 | 6.81 | 3.55 | 3.35 | 3.25 | 4.22 | 3.96 | 3.76 | 3.71 | 3.48 | 3.30 | 1.76 | 1.65 | 1.57 | 2 | 0.1 | 6.78 | 6.56 | 6.52 | 6.29 | 6.06 | 6.00 | 3.47 | 3.32 | 3.25 | 4.12 | 3.91 | 3.74 | 3.71 | 3.51 | 3.36 | 1.90 | 1.80 | 1.71 | 0.5 | 10.55 | 10.15 | 10.05 | 9.66 | 9.26 | 9.13 | 5.08 | 4.83 | 4.72 | 6.04 | 5.70 | 5.45 | 5.40 | 5.09 | 4.85 | 2.69 | 2.53 | 2.41 | 0.9 | 14.56 | 13.96 | 13.80 | 13.23 | 12.64 | 12.44 | 6.73 | 6.39 | 6.23 | 8.03 | 7.56 | 7.21 | 7.14 | 6.71 | 6.39 | 3.49 | 3.28 | 3.12 |
| | 0.1 | 0.1 | 7.04 | 7.00 | 7.49 | 6.91 | 6.85 | 7.26 | 4.79 | 4.69 | 4.87 | 6.14 | 6.00 | 5.89 | 5.82 | 5.67 | 5.55 | 3.50 | 3.38 | 3.28 | 0.5 | 4.85 | 4.79 | 5.11 | 4.70 | 4.63 | 4.90 | 3.12 | 3.04 | 3.16 | 3.99 | 3.88 | 3.80 | 3.75 | 3.64 | 3.55 | 2.20 | 2.12 | 2.05 | 0.9 | 2.77 | 2.69 | 2.84 | 2.59 | 2.51 | 2.62 | 1.49 | 1.44 | 1.47 | 1.89 | 1.82 | 1.76 | 1.73 | 1.65 | 1.60 | 0.92 | 0.87 | 0.84 | 0.5 | 0.1 | 4.71 | 4.74 | 5.10 | 4.75 | 4.77 | 5.09 | 3.70 | 3.66 | 3.84 | 4.76 | 4.71 | 4.67 | 4.62 | 4.56 | 4.50 | 3.06 | 2.98 | 2.91 | 0.5 | 5.71 | 5.65 | 6.03 | 5.56 | 5.50 | 5.81 | 3.80 | 3.72 | 3.87 | 4.87 | 4.76 | 4.67 | 4.61 | 4.50 | 4.40 | 2.79 | 2.70 | 2.62 | 0.9 | 6.66 | 6.53 | 6.92 | 6.35 | 6.20 | 6.52 | 3.91 | 3.78 | 3.89 | 4.97 | 4.81 | 4.67 | 4.60 | 4.43 | 4.29 | 2.53 | 2.42 | 2.34 | 0.9 | 0.1 | 3.74 | 3.77 | 4.06 | 3.80 | 3.83 | 4.10 | 3.10 | 3.09 | 3.26 | 4.00 | 3.99 | 3.96 | 3.94 | 3.91 | 3.88 | 2.75 | 2.69 | 2.65 | 0.5 | 6.07 | 6.03 | 6.43 | 5.94 | 5.89 | 6.23 | 4.18 | 4.10 | 4.28 | 5.36 | 5.26 | 5.18 | 5.12 | 5.01 | 4.91 | 3.21 | 3.11 | 3.03 | 0.9 | 8.34 | 8.22 | 8.75 | 8.05 | 7.92 | 8.36 | 5.25 | 5.12 | 5.30 | 6.73 | 6.54 | 6.39 | 6.30 | 6.11 | 5.96 | 3.67 | 3.53 | 3.42 | 2 | 0.1 | 2.69 | 2.71 | 2.92 | 2.74 | 2.76 | 2.96 | 2.32 | 2.33 | 2.47 | 3.00 | 3.01 | 3.01 | 2.99 | 2.99 | 2.98 | 2.25 | 2.22 | 2.20 | 0.5 | 6.46 | 6.43 | 6.87 | 6.37 | 6.33 | 6.72 | 4.67 | 4.62 | 4.84 | 6.02 | 5.94 | 5.87 | 5.82 | 5.73 | 5.65 | 3.89 | 3.80 | 3.73 | 0.9 | 10.18 | 10.11 | 10.82 | 9.99 | 9.90 | 10.51 | 7.05 | 6.94 | 7.25 | 9.10 | 8.94 | 8.80 | 8.71 | 8.54 | 8.39 | 5.56 | 5.41 | 5.28 |
|
|