penny_ages
Penny Ages
Description
Sample of pennies and their ages. Taken in 2004.
Usage
penny_ages
Format
A data frame with 648 observations on the following 2 variables.
- year
Penny's year.
- age
Age as of 2004.
Sample of pennies and their ages. Taken in 2004.
penny_ages
A data frame with 648 observations on the following 2 variables.
Penny's year.
Age as of 2004.