Research Article
Two Classes of Almost Unbiased Type Principal Component Estimators in Linear Regression Model
Table 1
MSE values of the OLSE, PCRE, AURE, and AURPCE.
| | 0.00 | 0.10 | 0.30 | 0.40 | 0.50 | 0.80 | 0.90 | 1.00 |
| | OLSE | 0.0619 | 0.0619 | 0.0619 | 0.0619 | 0.0619 | 0.0619 | 0.0619 | 0.0619 | PCRE | 0.0285 | 0.0285 | 0.0285 | 0.0285 | 0.0285 | 0.0285 | 0.0285 | 0.0285 | AURE | 0.0619 | 0.0619 | 0.0619 | 0.0619 | 0.0619 | 0.0619 | 0.0619 | 0.0618 | AURPCE | 0.0285 | 0.0285 | 0.0285 | 0.0285 | 0.0285 | 0.0285 | 0.0285 | 0.0285 |
| | OLSE | 0.1085 | 0.1085 | 0.1085 | 0.1085 | 0.1085 | 0.1085 | 0.1085 | 0.1085 | PCRE | 0.0384 | 0.0384 | 0.0384 | 0.0384 | 0.0384 | 0.0384 | 0.0384 | 0.0384 | AURE | 0.1085 | 0.1085 | 0.1085 | 0.1085 | 0.1085 | 0.1084 | 0.1084 | 0.1083 | AURPCE | 0.0384 | 0.0384 | 0.0384 | 0.0383 | 0.0383 | 0.0383 | 0.0383 | 0.0383 |
| | OLSE | 1.4636 | 1.4636 | 1.4636 | 1.4636 | 1.4636 | 1.4636 | 1.4636 | 1.4636 | PCRE | 0.3522 | 0.3522 | 0.3522 | 0.3522 | 0.3522 | 0.3522 | 0.3522 | 0.3522 | AURE | 1.4636 | 1.4565 | 1.4116 | 1.3797 | 1.3441 | 1.2281 | 1.1889 | 1.1502 | AURPCE | 0.3522 | 0.3515 | 0.3464 | 0.3426 | 0.3381 | 0.3220 | 0.3161 | 0.3101 |
| | OLSE | 14.5437 | 14.5437 | 14.5437 | 14.5437 | 14.5437 | 14.5437 | 14.5437 | 14.5437 | PCRE | 3.3903 | 3.3903 | 3.3903 | 3.3903 | 3.3903 | 3.3903 | 3.3903 | 3.3903 | AURE | 14.5437 | 1.4399 | 6.0117 | 4.5727 | 3.5858 | 1.9800 | 1.6797 | 1.4430 | AURPCE | 3.3903 | 2.9735 | 1.8963 | 1.5285 | 1.2518 | 0.7514 | 0.6496 | 0.5673 |
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