Coxite             package:compositions             R Documentation

_C_o_m_p_o_s_i_t_i_o_n_s, _d_e_p_t_h_s _a_n_d _p_o_r_o_s_i_t_i_e_s _o_f _2_5 _s_p_e_c_i_m_e_n_s _o_f _c_o_x_i_t_e

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

     A mineral compositions of 25 rock specimens of coxite type. Each
     composition consists of the percentage by weight of five minerals,
     albite, blandite, cornite, daubite, endite, the depth of location,
     and porosity.

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

     data(Coxite)

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

     A mineral compositions of 25 rock specimens of coxite type. Each
     composition consists of the percentage by weight of five minerals,
     albite, blandite, cornite, daubite, endite,the recorded depth of
     location of each specimen, and porosity. Porosity is the
     percentage of void space that the specimen contains. We abbreviate
     the minerals names to A, B, C, D, E.

     All row percentage sums to 100.

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

     Aitchison: CODA microcomputer statistical package, 1986, the file
     name BOXITE.DAT, here included under the GNU Public Library
     Licence Version 2 or newer.

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

     Aitchison: The Statistical Analysis of Compositional Data, 1986,
     Data 4, pp4.

