R/champagnetax.R
champagnetax.Rd
This dataset contains a list of historical tax rates for champagne or sparkling wine per wine gallon from TTB.
champagnetax
A data frame with 10 observations of 3 variables:
FROM, date of starting tax rate
TO, date of ending tax rate. The last row is considered the present day rate indicated by the package creation date.
RATE, in dollars
http://catalog.data.gov/dataset/historical-tax-rates