alr4 (version 1.0.5)

fuel2001: 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)