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A Step-by-Step Approach to Using SAS® for Univariate & Multivariate Statistics, Second Edition by Edward J. Stepanksi Ph.d., Larry Hatcher, Norm O'Rourke

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SAS Program and Output

You can perform a principal component analysis using either the PRINCOMP, CALIS, or FACTOR procedures. This chapter shows how to perform the analysis using PROC FACTOR since this is a somewhat more flexible SAS procedure. (It is also possible to perform an exploratory factor analysis with PROC FACTOR or CALIS.) Because the analysis is to be performed using the FACTOR procedure, the output will at times make reference to factors rather than to principal components (e.g., component 1 is referred to as FACTOR1 in the output). However, it is important to remember that you are performing a principal component analysis.

This section provides instructions on writing the SAS program and an overview of the SAS output. A subsequent ...

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