glass                  package:mda                  R Documentation

_G_l_a_s_s _I_d_e_n_t_i_f_i_c_a_t_i_o_n _D_a_t_a_b_a_s_e

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

     The 'glass' data frame has 214 observations and 10 variables,
     representing glass fragments.

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

     data(glass)

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

     This data frame contains the following columns:

     _R_I refractive index

     _N_a weight percent in corresponding oxide

     _M_g weight percent in corresponding oxide

     _A_l weight percent in corresponding oxide

     _S_i weight percent in corresponding oxide

     _K weight percent in corresponding oxide

     _C_a weight percent in corresponding oxide

     _B_a weight percent in corresponding oxide

     _F_e weight percent in corresponding oxide

     _T_y_p_e Type of glass:

          _1 building_windows_float_processed,

          _2 building_windows_non_float_processed,

          _3 vehicle_windows_float_processed,

          _4 vehicle_windows_non_float_processed (none in this
               database),

          _5 containers,

          _6 tableware,

          _7 headlamps


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

     P. M. Murphy and D. W. Aha (1999), UCI Repository of Machine
     Learning Databases, <URL:
     ftp://ics.uci.edu/pub/machine-learning-databases>

