Research Article

Two Classes of Almost Unbiased Type Principal Component Estimators in Linear Regression Model

Table 2

MSE values of the OLSE, PCRE, AULE, and AULPCE.

0.000.100.200.400.500.700.901.00

OLSE0.07090.07090.07090.07090.07090.07090.07090.0709
PCRE0.03030.03030.03030.03030.03030.03030.03030.0303
AULE0.07090.07090.07090.07090.07090.07090.07090.0709
AULPCE0.03030.03030.03030.03030.03030.03030.03030.0303

OLSE0.10850.10850.10850.10850.10850.10850.10850.1085
PCRE0.03840.03840.03840.03840.03840.03840.03840.0384
AULE0.1083 0.1083 0.10840.10840.10850.10850.10850.1085
AULPCE0.03830.03830.03830.03830.03830.03840.03840.0384

OLSE1.46361.46361.46361.46361.46361.46361.46361.4636
PCRE0.35220.35220.35220.35220.35220.35220.35220.3522
AULE1.15021.20661.25831.34611.38141.43371.46031.4636
AULPCE0.31010.31790.3249 0.3367 0.34140.3483 0.3518 0.3522

OLSE14.543714.543714.543714.543714.543714.543714.543714.5437
PCRE3.39033.39033.39033.39033.39033.39033.39033.3903
AULE1.44302.8578 4.55098.21919.9597 12.792914.3436 14.5437
AULPCE0.56730.91931.3076 2.09802.45993.03813.35023.3903