Quartet                 package:car                 R Documentation

_F_o_u_r _R_e_g_r_e_s_s_i_o_n _D_a_t_a_s_e_t_s

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

     The 'Quartet' data frame has 11 rows and 5 columns. These are
     contrived data.

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

     data(Quartet)

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

     This data frame contains the following columns:

     _x X-values for datasets 1-3.

     _y_1 Y-values for dataset 1.

     _y_2 Y-values for dataset 2.

     _y_3 Y-values for dataset 3.

     _x_4 X-values for dataset 4.

     _y_4 Y-values for dataset 4.

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

     Anscombe, F. J. (1973) Graphs in statistical analysis. _American
     Statistician_ *27*, 17-21.

