Transcription of PRINCIPAL COMPONENT ANALYSIS - SAS Support
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PRINCIPAL COMPONENT ANALYSIS - SAS Support
1 Chapter 1 PRINCIPAL COMPONENT ANALYSISI ntroduction: The Basics of PRINCIPAL COMPONENT ANALYSIS .. 2A Variable Reduction Procedure .. 2An Illustration of Variable Redundancy .. 3 What is a PRINCIPAL COMPONENT ? .. 5 How PRINCIPAL components are computed .. 5 Number of components extracted .. 7 Characteristics of PRINCIPAL components .. 7 Orthogonal versus Oblique Solutions .. 8 PRINCIPAL COMPONENT ANALYSIS is Not Factor ANALYSIS .. 9 Example: ANALYSIS of the Prosocial Orientation Inventory .. 10 Preparing a Multiple-Item Instrument .. 11 Number of Items per COMPONENT .. 12 Minimally Adequate Sample Size .. 13 SAS Program and Output.
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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