Factor Analysis - Harvard University
Factor loadings: λ ij λ ij = corr(Y i,F j) ! Communality of Y i: h i 2 h i 2 = λ i1 2 + λ i2 2=% variance of Y i explained by F 1 AND F 2 ! Uniqueness of Y i: 1-h i 2! Degree of factorial determination: =Σ λ ij 2/n, n=# observed variables Y 15
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