minn38 package:MASS R Documentation _M_i_n_n_e_s_o_t_a _H_i_g_h _S_c_h_o_o_l _G_r_a_d_u_a_t_e_s _o_f _1_9_3_8 _D_e_s_c_r_i_p_t_i_o_n: The Minnesota high school graduates of 1938 were classified according to four factors, described below. The 'minn38' data frame has 168 rows and 5 columns. _U_s_a_g_e: minn38 _F_o_r_m_a_t: This data frame contains the following columns: '_h_s' high school rank: '"L"', '"M"' and '"U"' for lower, middle and upper third. '_p_h_s' post high school status: Enrolled in college, ('"C"'), enrolled in non-collegiate school, ('"N"'), employed full-time, ('"E"') and other, ('"O"'). '_f_o_l' father's occupational level, (seven levels, '"F1"', '"F2"', ..., '"F7"'). '_s_e_x' sex: factor with levels'"F"' or '"M"'. '_f' frequency. _S_o_u_r_c_e: From R. L. Plackett, (1974) _The Analysis of Categorical Data._ London: Griffin who quotes the data from Hoyt, C. J., Krishnaiah, P. R. and Torrance, E. P. (1959) Analysis of complex contingency tables, _J. Exp. Ed._ *27*, 187-194.