Leinhardt                package:car                R Documentation

_D_a_t_a _o_n _I_n_f_a_n_t-_M_o_r_t_a_l_i_t_y

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

     The `Leinhardt' data frame has 105 rows and 4 columns.
 The
     observations are nations of the world around 1970.

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


     data(Leinhardt)

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

     This data frame contains the following columns:

     _i_n_c_o_m_e Per-capita income in U. S. dollars.
 

     _i_n_f_a_n_t Infant-mortality rate per 1000 live births.
 

     _r_e_g_i_o_n A factor with levels:
 `Africa'; 
 `Americas';
 `Asia',
          Asia and Oceania;
 `Europe'.
 

     _o_i_l Oil-exporting country. 
 A factor with levels:
 `no', 
 `yes'.
           

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

     The infant-mortality rate for Jamaica is misprinted in
 Leinhardt
     and Wasserman; the correct value is given here.
 Some of the
     values given in Leinhardt and Wasserman do not appear
 in the
     original New York Times table.

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

     Leinhardt, S. and Wasserman, S. S. (1979)
 Exploratory data
     analysis: An introduction to selected methods.
 In Schuessler, K.
     (Ed.) 
 Sociological Methodology 1979 Jossey-Bass.

     The New York Times, 28 September 1975, p. E-3, Table 3.

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

     Fox, J. (1997)
 Applied Regression, Linear Models, and Related
     Methods. Sage.

