| drugs | R Documentation |
Agresti (2012) included a three way contingency table describing cigarette, alcohol, and marijuana use of high school students in Dayton Ohio.
data(drugs)
A data frame with 8 observations on the following 4 variables.
alcAlcohol use. A factor with levels N Y.
cigCigarette use. A factor with levels N Y.
mariMarijuana use. A factor with levels N Y
countCounts for the cross-classification.
Agresti, A. 2012. Categorical Data Analysis, 3rd edition. New York. Wiley.
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