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Percent Variation Accounted for by Extracted Factors

By default, the HPPLS procedure produces the "Percent Variation Accounted for by Extracted Factors" table to display just
the amount of predictor variation and response variation that are accounted for by each factor. If you specify the VARSS
option in the PROC HPPLS
statement, the HPPLS procedure also produces the "Model Effect Percent Variation Accounted for by Extracted Factors" table
and the "Dependent Variable Percent Variation Accounted for by Extracted Factors" table to display the amount of variation
that is accounted for in each response and predictor, in addition to the average response and predictor sum of squares that
are accounted for by each successive factor.