Rubber package:MASS R Documentation _A_c_c_e_l_e_r_a_t_e_d _T_e_s_t_i_n_g _o_f _T_y_r_e _R_u_b_b_e_r _D_e_s_c_r_i_p_t_i_o_n: Data frame from accelerated testing of tyre rubber. _U_s_a_g_e: Rubber _F_o_r_m_a_t: '_l_o_s_s' the abrasion loss in gm/hr. '_h_a_r_d' the hardness in Shore units. '_t_e_n_s' tensile strength in kg/sq m. _S_o_u_r_c_e: O.L. Davies (1947) _Statistical Methods in Research and Production._ Oliver and Boyd, Table 6.1 p. 119. O.L. Davies and P.L. Goldsmith (1972) _Statistical Methods in Research and Production._ 4th edition, Longmans, Table 8.1 p. 239. _R_e_f_e_r_e_n_c_e_s: Venables, W. N. and Ripley, B. D. (1999) _Modern Applied Statistics with S-PLUS._ Third Edition. Springer.