Complete two-level factorial designs
Modelling by Experimental Designs
Article REF: R275 V2
Complete two-level factorial designs
Modelling by Experimental Designs

Author : Jacques GOUPY

Publication date: September 10, 2016 | Lire en français

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2. Complete two-level factorial designs

For these designs, the number of levels for each factor is restricted to two. All combinations of levels are made during the course of the experiment. These designs can be used indiscriminately for continuous and discrete variables.

2.1 Two-factor plan

For two factors, the study area is a square. For example, figure 6 represents a complete factorial design with two factors. The mathematical model postulated is a first-degree model with respect to each factor. The model is :

y=a0+a1x1+a2x2+a12x1x2+e
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