Programming the statistical procedures from SAS

Dimension Reduction Techniques using proc factor and proc princomp

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Dimension Reduction Techniques using proc factor and proc princomp

Hello

 

1) How to check for homoscedasticity in Discriminant analysis, is it by choosing the option POOL=Test in proc discrim?

 

2) How are composite variables or principle Components  in PCA different from factors created in Factor analysis.

 

Thanks

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