landrent                package:alr3                R Documentation

_L_a_n_d _r_e_n_t

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

     The data were collected by Douglas Tiffany to study the variation
     in rent paid in 1977 for agricultural land planted to alfalfa.

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

     This data frame contains the following columns:

     _X_1 average rent for all tillable land

     _X_2 density of dairy cows (number per square mile)

     _X_3 proportion of farmland used for pasture

     _X_4 1 if liming required to grow alfalfa; 0 otherwise

     _Y average rent per acre planted to alfalfa

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

     Douglas Tiffany

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

     Weisberg, S. (2005). _Applied Linear Regression_, 3rd edition. New
     York: Wiley, Problem 9.12.

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

     data(landrent)

