lactic                 package:rrcov                 R Documentation

_C_a_l_i_b_r_a_t_i_o_n _o_f _a_n _I_n_s_t_r_u_m_e_n_t _t_h_a_t _M_e_a_s_u_r_e_s _L_a_c_t_i_c _A_c_i_d _C_o_n_c_e_n_t_r_a_t_i_o_n _i_n _B_l_o_o_d

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

     Data on the Calibration of an Instrument that Measures  Lactic
     Acid Concentration in Blood, from Afifi and Azen (1979) - 
     comparing the true concentration X with the measured value Y.

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

     data(lactic)

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

     A data frame with 20 observations on the following 2 variables.

     '_X' True Concentration

     '_Y' Instrument

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

     P. J. Rousseeuw and A. M. Leroy (1987)  _Robust Regression and
     Outlier Detection._ Wiley, p.62, table 10.

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

     data(lactic)
     summary(lm.lactic <- lm(Y ~., data=lactic))
     summary(lts.lactic <- ltsReg(Y ~., data=lactic))

