Star                  package:Ecdat                  R Documentation

_E_f_f_e_c_t_s _o_n _L_e_a_r_n_i_n_g _o_f _S_m_a_l_l _C_l_a_s_s _S_i_z_e_s

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

     a cross-section from 1985-89

     _number of observations_ :  5748

     _observation_ :  individuals

     _country_ :  United States

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

     data(Star)

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

     A dataframe containing :

     _t_m_a_t_h_s_s_k total math scaled score

     _t_r_e_a_d_s_s_k total reading scaled score

     _c_l_a_s_s_k type of class, a factor with levels
          (regular,small.class,regular.with.aide)

     _t_o_t_e_x_p_k years of total teaching experience

     _s_e_x_e a factor with levels (boy,girl)

     _f_r_e_e_l_u_n_k qualified for free lunch ? a factor

     _r_a_c_e a factor with levels (white,black,other)

     _s_c_h_i_d_k_n school indicator variable

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

     Project STAR <URL: http://www.heros-inc.org/star.htm>.

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

     Stock, James H.  and  Mark W.  Watson (2003) _Introduction to
     Econometrics_, Addison-Wesley Educational Publishers, <URL:
     http://wps.aw.com/aw_stockwatsn_economtrcs_1>.

_S_e_e _A_l_s_o:

     'Index.Books', 'Index.Economics', 'Index.Econometrics',
     'Index.Observations'

