coins {UsingR}

The coins in my change bin

Description

The coins in author's change bin with year and value.

Usage

data(coins)

Format

A data frame with 371 observations on the following 2 variables.

year

Year of coin

value

Value of coin: quarter, dime, nickel, or penny

Examples

data(coins)
years = cut(coins$year,seq(1920,2010,by=10),include.lowest=TRUE,
  labels = paste(192:200,"*",sep=""))
table(years)