Response Surface Regression: The RSREG Procedure :: SAS/STAT(R) 12.3 User's Guide

Response Surface Regression: The RSREG Procedure

The RSREG procedure fits a quadratic response-surface model, which is useful in searching for factor values that optimize a response. The following features in PROC RSREG make it preferable to other regression procedures for analyzing response surfaces:

automatic generation of quadratic effects
a lack-of-fit test
solutions for critical values of the surface
eigenvalues of the associated quadratic form
a ridge analysis to search for the direction of optimum response

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