Dopamine {BSDA} | R Documentation |
Data for Exercises 5.14 and 7.49
Dopamine
A data frame with 25 observations on the following 4 variables.
nonpsych
psychotic
DBH
group
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Duxbury
str(Dopamine) attach(Dopamine) boxplot(DBH~group,names=c("Non Psychotic","Psychotic")) t.test(DBH~group,var.equal=TRUE) detach(Dopamine)