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Data for Exercises 5.14 and 7.49
data(Dopamine)
A data frame with 25 observations on the following 4 variables.
nonpsych
a numeric vector
psychotic
DBH
group
# NOT RUN { str(Dopamine) attach(Dopamine) boxplot(DBH~group,names=c("Non Psychotic","Psychotic")) t.test(DBH~group,var.equal=TRUE) detach(Dopamine) # }
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