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2005 Aug 05
1
contrast {Design} question
...to work: A.quantiles <- quantile(foo.frame$A, probs = seq(from = 0.05, to = 0.95, by = 0.05)) base.quantiles <- quantile(Efficacy205$BASELINE_RANK, probs = seq(from = 0.05, to = 0.95, by = 0.05)) gender <- levels(Efficacy205$GENDER) contrast.1 <- contrast(Model.1, list(TPCODE= 'A', AGE = age.quantiles, BASELINE_RANK = base.quantiles, GENDER = gender), list(TPCODE = 'D', AGE = age.quantiles, BASELINE_RANK = base.quantiles, GENDER = gender), type = 'average&...