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treat
2011 May 01
1
Simulation Questions
...means and the covariance matrix
sim <- mvrnorm(1000, mu=mean(data), sigma, empirical=FALSE)
#Set growth at 0
growth=0
#Combine elements into a single dataset
simtest=data.frame (subject=subject, treat=treat,lunch, age=round(age,0),round(sim,0),growth)
#Set mean growth by treatment condition with treatd subjects having a mean growth of 1.5 and non-treated having a mean growth of 0.1
simtest<-transform(simtest, growth=rnorm(1000,m=ifelse(treat==0,0.1,1.5),s=1))
simtest
cor (simtest)