

phones(boot)                                 R Documentation

_B_e_l_g_i_u_m _P_h_o_n_e _C_a_l_l_s _1_9_5_0_-_1_9_7_3

_A_r_g_u_m_e_n_t_s_:

    year: The last two digits of the year.

   calls: The number of telephone calls made (in millions of
          calls).

_S_U_M_M_A_R_Y_:

     The `phones' data frame has 24 rows and 2 columns.

_D_A_T_A _D_E_S_C_R_I_P_T_I_O_N_:

     This data frame contains the following columns:

_S_O_U_R_C_E_:

     The data were obtained from

     Rousseeuw, P.J. and Leroy, A.M. (1987) Robust Regres-
     sion and Outlier Detection. John Wiley.

_O_T_H_E_R _R_E_F_E_R_E_N_C_E_S_:

     Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Meth-
     ods and Their Application. Cambridge University Press.

     Venables, W.N. and Ripley, B.D. (1994) Modern Applied
     Statistics with Splus. Springer-Verlag

