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Statistics.TPCAMode Enumeration

Defines type of Principal Component Analysis (PCA).

Pascal
TPCAMode = (
  PCACorrMat,
  PCACovMat,
  PCARawData
);
Members 
Description 
PCACorrMat 
CA is run on correlation matrix (supported by PCA). 
PCACovMat 
CA is run on covariance matrix (supported by PCA and FA). 
PCARawData 
CA is run on raw data matrix (supported by PCA and FA). 

Defines whether the PCA analysis is to be run on a correlation or covariance matrix. Normally, the analysis is run on the scale-invariant correlation matrix since the scale of the variables changes the analysis when the covariance matrix is used.

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