vocab                  package:Rlab                  R Documentation

_C_h_i_l_d_r_e_n'_s _v_o_c_a_b_u_l_a_r_y _b_y _a_g_e

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

     The data set 'vocab' contains the average oral vocabulary size
     (words)
 for children at different ages (age).

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

     A data frame with 10 observations on the following 2 variables.

     _a_g_e : age (in years)

     _w_o_r_d_s : vocabulary (in number of words)

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

     Discovering Psychology by Weiner, 1977

