Principal Component Factor Analysis
Abstract
This chapter discusses the circumstances in which the principal component factor analysis technique can be used. Several factor analysis concepts, calculations, and interpretations are presented: the concept of factor; an evaluation of the factor analysis’s overall adequacy through the KMO statistic and Bartlett’s test of sphericity; concepts of eigenvalues and eigenvectors in Pearson’s correlation matrices; the calculation and interpretation of factor scores, and, from these, the definition of factors; the calculation and interpretation of factor loadings and communalities; the construction of loading plots; concepts of factor rotation and preparation of the Varimax orthogonal rotation; ...
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