fuel2001 {alr4} | R Documentation |
Fuel consumption
Description
Data on motor fuel consumption and related variables, for the year 2001. The unit is a state in the United States or the District of Columbia. Data are for 2001, unless noted.
Format
This data frame contains the following columns. Row labels are the two-digit US Postal abbreviations for the US states.
- Drivers
-
Number of Licensed drivers in the state
- FuelC
-
Gasoline sold for road use (1000s of gal.)
- Income
-
Per capita personal income (year 2000)
- Miles
-
Miles of Federal-aid highway miles in the state
- MPC
-
Estimated miles driven per capita
- Pop
-
Population age 16 and over
- Tax
-
Gasoline state tax rate, cents per gallon
Source
http://www.fhwa.dot.gov/ohim/hs01/index.htm
References
Weisberg, S. (2014). Applied Linear Regression, third edition. New York: Wiley.
Examples
head(fuel2001)
# Most of the examples in ALR3 that use these data first
# transform several of the columns
fuel2001 <- transform(fuel2001,
Dlic=1000 * Drivers/Pop,
Fuel=1000 * FuelC/Pop,
Income=Income/1000)
pairs(Fuel~Tax + Dlic + Income + log2(Miles), data=fuel2001)
[Package alr4 version 1.0.6 Index]