consumption             package:perturb             R Documentation

_T_h_e _C_o_n_s_u_m_p_t_i_o_n _F_u_n_c_t_i_o_n

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

     Example from pp 149-154 of Belsley (1991), Conditioning
     Diagnostics

_U_s_a_g_e:

     data(consumption)

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

     A data frame with 28 observations on the following 5 variables.

     _y_e_a_r 1947 to 1974

     _c total consumption, 1958 dollars

     _r the interest rate (Moody's Aaa)

     _d_p_i disposable income, 1958 dollars

     _d__d_p_i annual change in disposable income

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

     pp 149-154 of Belsley (1991), Conditioning Diagnostics

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

     Belsley, D.A. (1991). Conditioning diagnostics, collinearity and
     weak data in regression. New York: John Wiley & Sons.

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

     data(consumption)

