achieve              package:flexclust              R Documentation

_A_c_h_i_e_v_e_m_e_n_t _T_e_s_t _S_c_o_r_e_s _f_o_r _N_e_w _H_a_v_e_n _S_c_h_o_o_l_s

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

     Measurements at the beginning of the 4th grade (when the national
     average is 4.0) and of the 6th grade in 25 schools in New Haven.

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

     data(achieve)

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

     A data frame with 25 observations on the following 4 variables.

     _r_e_a_d_4: 4th grade reading

     _a_r_i_t_h_4: 4th grade arithmetic

     _r_e_a_d_6: 6th grade reading

     _a_r_i_t_h_6: 6th grade arithmetic

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

     <URL: http://www.uni-koeln.de/themen/statistik>

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

     John A. Hartigan: Clustering Algorithms. Wiley, New York, 1975.

