PRINCIPAL COMPONENT ANALYSIS - SAS Support
1Chapter 1PRINCIPAL COMPONENT ANALYSISIntroduction: The Basics of PRINCIPAL COMPONENT ANALYSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A Variable Reduction Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2An Illustration of Variable Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3What is a PRINCIPAL COMPONENT ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5How PRINCIPAL components are computed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Number of components extracted.
Principal Component Analysis 3 Because it is a variable reduction procedure, principal component analysis is similar in many respects to exploratory factor analysis.
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