weldstrength             package:faraway             R Documentation

_w_e_l_d_i_n_g _s_t_r_e_n_g_t_h _D_O_E

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

     An experiment to investigate factors affecting welding strength.

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

     data(weldstrength)

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

     A data frame with 16 observations on the following 10 variables.

     _R_o_d_s a 0-1 predictor

     _D_r_y_i_n_g a 0-1 predictor

     _M_a_t_e_r_i_a_l a 0-1 predictor

     _T_h_i_c_k_n_e_s_s a 0-1 predictor

     _A_n_g_l_e a 0-1 predictor

     _O_p_e_n_i_n_g a 0-1 predictor

     _C_u_r_r_e_n_t a 0-1 predictor

     _M_e_t_h_o_d a 0-1 predictor

     _P_r_e_h_e_a_t_i_n_g a 0-1 predictor

     _S_t_r_e_n_g_t_h The welding strength

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

     G. Box and R. Meyer (1986) Dispersion effects from fractional
     designs, Technometrics, 28, 19-27

