census                  package:eco                  R Documentation

_B_l_a_c_k _I_l_l_i_t_e_r_a_c_y _R_a_t_e_s _i_n _1_9_1_0 _U_S _C_e_n_s_u_s

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

     This data set contains the proportion of the residents who are
     black, the proportion of those who can read, the total population
     as well as the actual black literacy rate and white literacy rate
     for 1040 counties in the US. The dataset was originally analyzed
     by Robison (1950) at the state level. King (1997) recoded the 1910
     census at county level. The data set only includes those who are
     older than 10 years of age.

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

     data(census)

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

     A data frame containing 5 variables and 1040 observations 

       X   numeric  the proportion of Black residents in each county
       Y   numeric  the overall literacy rates in each county
       N   numeric  the total number of residents in each county
       W1  numeric  the actual Black literacy rate
       W2  numeric  the actual White literacy rate

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

     Robinson, W.S. (1950). ``Ecological Correlations and the Behavior 
     of Individuals.'' _American Sociological Review_, vol. 15,
     pp.351-357. 

      King, G. (1997). "A Solution to the Ecological Inference Problem:
     Reconstructing Individual Behavior from Aggregate Data". Princeton
     University Press, Princeton, NJ.

