A dataset containing 807 observations on 10 variables:
- educ: Years of schooling
- cigpric: State cigarette price in cents per pack
- white: Binary variable (1 if white)
- age: Age in years
- income: Annual income in dollars
- cigs: Cigarettes smoked per day
- restaurn: Binary variable (1 if restaurant smoking restrictions)
- lincome: Logarithm of income
- agesq: Square of age
- lcigpric: Logarithm of cigprice