bigcity                 package:boot                 R Documentation

_P_o_p_u_l_a_t_i_o_n _o_f _U._S. _C_i_t_i_e_s

_D_e_s_c_r_i_p_t_i_o_n:

     The 'bigcity' data frame has 49 rows and 2 columns. 

     The 'city' data frame has 10 rows and 2 columns.  

     The measurements are the population (in 1000's) of 49 U.S. cities
     in 1920 and 1930.  The 49 cities are  a random sample taken from
     the 196 largest cities in 1920.  The 'city' data  frame consists
     of the first 10 observations in 'bigcity'.

_U_s_a_g_e:

     bigcity

_F_o_r_m_a_t:

     This data frame contains the following columns:


     '_u' The 1920 population.

     '_x' The 1930 population.

_S_o_u_r_c_e:

     The data were obtained from

     Cochran, W.G. (1977) _Sampling Techniques_. Third edition. John
     Wiley

_R_e_f_e_r_e_n_c_e_s:

     Davison, A.C. and Hinkley, D.V. (1997) _Bootstrap Methods and
     Their Application_. Cambridge University Press.