fuel2001                package:alr3                R Documentation

_F_u_e_l _c_o_n_s_u_m_p_t_i_o_n

_D_e_s_c_r_i_p_t_i_o_n:

     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.

_F_o_r_m_a_t:

     This data frame contains the following columns:

     _D_r_i_v_e_r_s Number of Licensed drivers in the state

     _F_u_e_l_C Gasoline sold for road use (1000s of gal.)

     _I_n_c_o_m_e Per capita personal income (year 2000)

     _M_i_l_e_s Miles of Federal-aid highway miles in the state

     _M_P_C Estimated miles driven per capita

     _P_o_p Population age 16 and over

     _T_a_x Gasoline state tax rate, cents per gallon

     _S_t_a_t_e State name

_S_o_u_r_c_e:

     http://www.fhwa.dot.gov/ohim/hs01/index.htm

_R_e_f_e_r_e_n_c_e_s:

     Weisberg, S. (2005). _Applied Linear Regression_, third edition. 
     New York:  Wiley.

_E_x_a_m_p_l_e_s:

     data(fuel2001)
     fuel2001$Dlic <- 1000*fuel2001$Drivers/fuel2001$Pop
     fuel2001$Fuel <- 1000*fuel2001$FuelC/fuel2001$Pop
     fuel2001$Income <- fuel2001$Income/1000
     fuel2001$logMiles <- log(fuel2001$Miles,2)
     pairs(Fuel~Tax+Dlic+Income+logMiles,data=fuel2001)

