My goal is to check the effect of each level against a. Using contr.sum for type iii anova but contr.treatment for reporting regression coefficients in r is this reasonable? 2026 | invited session proposal frhszx intelligent control based on the fas approach:
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Following are two linear regression models with the same predictors and response variable, but with different contrast coding. I want to fit a linear model in r with a categorical variable that takes 3 possible levels.
