R/artificialcarbontax.R
artificialcarbontax.Rd
This dataset contains a list of historical tax rates for artificial carbon per wine gallon from TTB.
artificialcarbontax
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