marks                  package:ggm                  R Documentation

_M_a_t_h_e_m_a_t_i_c_s _m_a_r_k_s

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

     Examination marks of 88 students in five subjects.

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

     data(marks)

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

     A data frame with 88 observations on the following 5 variables.

     _m_e_c_h_a_n_i_c_s a numeric vector, mark in Mechanics

     _v_e_c_t_o_r_s a numeric vector, mark in Vectors

     _a_l_g_e_b_r_a a numeric vector, mark in Algebra

     _a_n_a_l_y_s_i_s a numeric vector, mark in Analysis

     _s_t_a_t_i_s_t_i_c_s a numeric vector, mark in Statistics 

_D_e_t_a_i_l_s:

     Mechanics and Vectors were closed book examinations. Algebra,
     Analysis and Statistics were open book examinations.

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

     Mardia, K.V., Kent, J.T. & Bibby, (1979). _Multivariate analysis_.
     London: Academic Press.

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

     Whittaker, J. (1990). _Graphical models in applied multivariate
     statistics_. Chichester: Wiley.

_E_x_a_m_p_l_e_s:

     data(marks)
     pairs(marks)

