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concept
2011 Mar 10
0
OptFederov and Dopt.design
...options(contrasts=c("contr.sum","contr.poly"))
file<- read.table("C:/Upstream/Designs/Vodacom Tanzania phase1
grammar/JMP_allowed.txt",sep="\t",header=TRUE,strip.white=TRUE)
formula<-as.formula("~structure+intro + intro/intro1 + concept +
concept/concept1 + prize")
design<-optFederov(formula, data=file, nTrials=48, evaluateI=T,
criterion="D", maxIteration=10000, nRepeats=300,
approximate=F,args=T)
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