Jaccard and Wan (1995) hal 28 1. X 1 =1∗ξ 1 + ε 1 2. X 2 =λ 21 ∗ξ 1 + ε 2 3. X 3 =1∗ξ 2 + ε 3 4. X 4 =λ 42 ∗ξ 2 +ε 4 5. X 5 =X 1 X 3 = ( ξ 1 +ε 1 )( ξ 2 +ε 3 ) =ξ 1 ξ 2 +ξ 1 ε 3 +ξ 2 ε 1 + ε 1 ε 3 6. X 6 =X 1 X 4 = ( ξ 1 +ε 1 )( λ 42 ξ 2 +ε 4 ) =λ 42 ξ 1 ξ 2 +ξ 1 ε 4 +λ 42 ξ 2 ε 1 +ε 1 ε 4 7. X 7 =X 2 X 3 = ( λ 21 ξ 1 +ε 2 )( ξ 2 +ε 3 ) =λ 21 ξ 1 ξ 2 +ξ 2 ε 2 + λ 21 ξ 1 ε 3 +ε 2 ε 3 8. X 8 =X 2 X 4 = ( λ 21 ξ 1 +ε 2 )( λ 42 ξ 2 + ε 4 ) =λ 21 λ 42 ξ 1 ξ 2 + λ 21 ξ 1 ε 4 +λ 21 ξ 2 ε 2 +ε 2 ε 4 Hal 30 λ XY =Γ X Γ Y = ∑ λ X k ∑ λ Z j E rror Var ( XZ )=Θ XZ =Γ X 2 Var ( ξ X ) +Θ X +Γ Z 2 Var ( ξ Z ) +Θ Z +Θ X Θ Z Dimana Γ X = ∑ k λ X k dan Θ X = Var ( ε X k ) ; Γ Z = ∑ j λ Z j dan Θ Z = Var ( ε Z j ) Hal 32 XY = ( x 1 +x 2 )( z 1 +z 2 ) XY =λ XY ξ XZ +Θ XY x 1 = λ x1 ξ x +ε x1 x 2 = λ x2 ξ x +ε x2 z 1 =λ z1 ξ x +ε z1 z 2 =λ z2 ξ z +ε z 2 Estimation of Loadings Hal 33 XY = ( x 1 +x 2 )( z 1 +z 2 ) = ( λ X 1 ξ X +ε X1 +λ X 2 ξ X +ε X2 )( λ Z 1 ξ Z + ε Z 1 +λ Z 2 ξ Z +ε Z 2 ) = ( [ λ X 1 +λ X 2 ] ξ X +ε X 1 +ε X 2 )( [ λ Z1 + λ Z2 ] ξ Z +ε Z 1 +ε Z2 ) = ( Γ X ξ X +ε X 1 +ε X 2 )( Γ Z ξ Z +ε Z 1 +ε Z2 ) =Γ X Γ Z ξ X ξ Z +Γ X ξ X ( ε Z 1 +ε Z 2 ) +Γ Z ξ Z ( ε X1 + ε X 2 ) + ( ε X1 + ε X 2 )( ε Z1 +ε Z 2 )
