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Special SAS Data Sets

TYPE=QUAD Data Sets

A TYPE=QUAD data set contains the coefficients of a quadratic function of the variables in observations with _TYPE_='QUAD'.

The DISCRIM procedure stores quadratic discriminant function coefficients in a TYPE=QUAD data set when you specify METHOD=NORMAL (the default method), POOL=NO, and an OUTSTAT= data set; the data set can be used in a subsequent invocation of PROC DISCRIM to classify additional observations. Many other statistics can be included depending on the options used. See Chapter 25, "The DISCRIM Procedure," for details.

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