Smoking                package:ipred                R Documentation

_S_m_o_k_i_n_g _S_t_y_l_e_s

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

     The 'Smoking' data frame has 55 rows and 9 columns.

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

     data(Smoking)

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

     This data frame contains the following columns:

     _N_R numeric, patient number.

     _S_e_x factor, sex of patient.

     _A_g_e factor, age group of patient, grouping consisting of those in
          their twenties, those in their thirties and so on.

     _T_a_r_Y numeric, tar yields of the cigarettes.

     _N_i_c_Y numeric, nicotine yields of the cigarettes.

     _C_O_Y numeric, carbon monoxide (CO) yield of the cigarettes.

     _T_V_P_S numeric, total volume puffed smoke.

     _B_P_N_L numeric, blood plasma nicotine level.

     _C_O_H_B numeric, carboxyhaemoglobin level, i.e. amount of CO absorbed
          by the blood stream.

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

     The data describes different smoking habits of probands.

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

     Hand and Taylor (1987), Study F _Smoking Styles_.

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

     D.J. Hand and C.C. Taylor (1987),  _Multivariate analysis of
     variance and repeated measures._ London: Chapman & Hall, pp.
     167-181.

