anscombe                package:alr3                R Documentation

_A_n_s_c_o_m_b_e'_s _d_a_t_a _o_n _g_r_a_p_h_i_c_s

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

     Four regression problems, y1|x1, y2|x1, y3|x1 and y4|x2 that
     illustrate the importance of graphics.

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

     This data frame contains the following columns:

     _x_1 Predictor with response y1, y2 or y3

     _y_1 Response 1 

     _y_2 Response 2 

     _y_3 Response 3 

     _x_2 Predictor with response y4

     _y_4 Response 4 

_D_e_t_a_i_l_s:

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

     F. Anscombe (1983).  Graphs in statistical analysis, _American
     Statistician_, 27, 17-21.

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

     Weisberg, S. (2005).  _Applied Linear Regression_, 3rd edition.
     New York: Wiley, Section 1.4

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

     data(anscombe)

