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Example 30.11: Analysis of a Screening Design Yin and Jillie (1987) ... One way to analyze this data is simply to use PROC GLM to compute an analysis of variance, including both main effects and ...

Stat650/403/890. Factorial Treatment Structure. Reading: Read the section on two-way anova (Section 16.2, pages 179-185) in Julian Faraway's Practical Regression and ANOVA Using R.For supplemental ...

The main effect of factor A is defined as the difference in the means of the two levels of A averaged over all the levels of B. For Figure 1b, the average for level a is τ = (0 + 1)/2 = 0.5 and ...