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Analyzing a Fractional Factorial Design

The analysis of a fractional factorial design differs from that of a full factorial design. One important difference is the care needed in the estimation of aliased effects. A second difference is the need for alternatives to the analysis of variance, which arises when the design is saturated (see the section "Analyzing Saturated Designs"). To begin the analysis of a design, click Fit in the main design window.

Checking Assumptions

Fitting a Model

Analyzing Residuals

Analyzing Saturated Designs