Survey of students in grades 9-12 concerning health-risk behaviors
A dataset with 434 observations on the following 7 variables.
Average hours sleep on school night (10 or more hours, 9 hours, down to 4 or less hours)
Seven or more hours of sleep? (0=no or 1=yes)
Ever smoked? (No or Yes)
Regular smoker? (No or Yes)
Ever smoked marijuana? (0=no or 1=yes)
Age (in years)
Source
http://www.cdc.gov/HealthyYouth/yrbs/index.htm
Use the following R code to directly access this dataset in R.