Survey on alcohol, cigarettes, or marijuana use collected on 2276 students in their final year of high school in a rural area near Dayton, Ohio.
Drugs
A data frame with 8 observations on the following 4 variables
alc
alcohol use, factor with 2 levels (no, yes
)
sig
sigarettes use, factor with 2 levels (no, yes
)
mar
marijuana use, factor with 2 levels (no, yes
)
count
frequency of students in the cross classification of the previous three variables
Drugs2
for a different format of the same data and Drugs3
for an extended version of the data with additional variables.