Table 3 Estimates and MSE of \(\alpha , \eta\), and \(\theta\) for set II.
From: A new family of alpha power-G using cosine function with applications and regression modeling
n | Parameter | MLE | LS | WLS | CVM | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Estimate | MSE | Bias | Estimate | MSE | Bias | Estimate | MSE | Bias | Estimate | MSE | Bias | ||
n=165 | \(\alpha\) | 0.4067 | 2.4565 | 0.3570 | 0.2892 | 0.3645 | 0.2394 | 0.3701 | 1.2574 | 0.3204 | 0.2873 | 0.3421 | 0.2373 |
\(\eta\) | 1.4411 | 0.4467 | 0.2411 | 1.4961 | 0.4402 | 0.2962 | 1.4419 | 0.4646 | 0.2419 | 1.5292 | 0.4614 | 0.3292 | |
\(\theta\) | 2.8198 | 0.0783 | 0.0802 | 2.7926 | 0.0918 | 0.1074 | 2.7931 | 0.0910 | 0.1069 | 2.8187 | 0.0872 | 0.0813 | |
n=200 | \(\alpha\) | 0.3448 | 1.9175 | 0.2952 | 0.2452 | 0.2698 | 0.1953 | 0.3288 | 0.9002 | 0.2780 | 0.2450 | 0.2538 | 0.1950 |
\(\eta\) | 1.4045 | 0.3873 | 0.2045 | 1.4621 | 0.3856 | 0.2621 | 1.4469 | 0.4575 | 0.2467 | 1.4902 | 0.4026 | 0.2902 | |
\(\theta\) | 2.8270 | 0.0626 | 0.0730 | 2.8058 | 0.0757 | 0.0942 | 2.7976 | 0.0747 | 0.1023 | 2.8269 | 0.0720 | 0.0731 | |
n=300 | \(\alpha\) | 0.2962 | 1.7851 | 0.2455 | 0.2205 | 0.2124 | 0.1707 | 0.2439 | 0.6593 | 0.1942 | 0.2194 | 0.2049 | 0.1693 |
\(\eta\) | 1.3641 | 0.3050 | 0.1641 | 1.4647 | 0.3713 | 0.2648 | 1.3995 | 0.3215 | 0.1996 | 1.4803 | 0.3724 | 0.2802 | |
\(\theta\) | 2.8445 | 0.0472 | 0.0554 | 2.8230 | 0.0546 | 0.0771 | 2.8310 | 0.0493 | 0.0691 | 2.8383 | 0.0523 | 0.0617 | |
n=500 | \(\alpha\) | 0.1522 | 0.7596 | 0.1022 | 0.1927 | 0.1385 | 0.1424 | 0.1466 | 0.1822 | 0.0959 | 0.1899 | 0.1309 | 0.1399 |
\(\eta\) | 1.2886 | 0.1667 | 0.0886 | 1.4944 | 0.3205 | 0.2944 | 1.3694 | 0.2091 | 0.1694 | 1.5030 | 0.3195 | 0.3030 | |
\(\theta\) | 2.8660 | 0.0207 | 0.0340 | 2.8360 | 0.0371 | 0.0640 | 2.8548 | 0.0247 | 0.0452 | 2.8460 | 0.0356 | 0.0540 | |
n=700 | \(\alpha\) | 0.0958 | 0.2532 | 0.0458 | 0.1534 | 0.0789 | 0.1036 | 0.1059 | 0.0625 | 0.0562 | 0.1544 | 0.0802 | 0.1045 |
\(\eta\) | 1.2599 | 0.1092 | 0.0599 | 1.4564 | 0.2371 | 0.2564 | 1.3368 | 0.1408 | 0.1369 | 1.4661 | 0.2416 | 0.2661 | |
\(\theta\) | 2.8753 | 0.0118 | 0.0247 | 2.8513 | 0.0246 | 0.0488 | 2.8674 | 0.0142 | 0.0326 | 2.8575 | 0.0239 | 0.0426 | |