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Unformatted text preview: various variables and their levels to the response o The variables x 1 :x n are called factors and their values are levels Fitted main effects are defined as the overall difference of a level of the factor as compared to the average o A, B, C are the factors o So the fitted main effect at level i of factor A is a i = y i• bar - y •• bar Fitted interaction effects One goal is to fit the simplest model o μ + α i + β j + αβ ij μ + α i μ + β j Measure of Fit o R 2 o Residuals (y – ŷ) o Absolute value size comparison of effects...
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This note was uploaded on 04/07/2008 for the course MATH 226 taught by Professor Daepp during the Fall '07 term at Bucknell.
- Fall '07