

presidents {base}                            R Documentation

_A_p_p_r_o_v_a_l _R_a_t_i_n_g _o_f _U_S _P_r_e_s_i_d_e_n_t_s

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

     The (approximately) quarterly approval rating for the
     President of the United states from the first quarter
     of 1945 to the last quarter of 1974.

     The data are actually a fudged version of this.  See
     McNeil's book for details.

_U_s_a_g_e_:

     data(presidents)

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

     A time series of 120 values.

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

     The Gallup Organisation.

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

     McNeil, D. (1977).  Interactive Data Analysis.  New
     York: Wiley.

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

     data(presidents)
     plot(presidents, las = 1, ylab = "Approval rating (%)",
          main = "presidents data")

