cement                 package:MASS                 R Documentation

_H_e_a_t _E_v_o_l_v_e_d _b_y _S_e_t_t_i_n_g _C_e_m_e_n_t_s

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

     Experiment on the heat evolved in the setting of each of 13
     cements.

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

     data(cement)

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

     `_x_1, _x_2, _x_3, _x_4' Proportions (%) of active ingredients

     `_y' heat evolved in cals/gm

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

     Hald, A. (1957) Statistical Theory with Engineering Applications.
     Wiley, New York.

_E_x_a_m_p_l_e_s:

     data(cement)
     lm(y ~ x1 + x2 + x3 + x4, cement)

