PRESS                  package:MPV                  R Documentation

_P_R_E_S_S _s_t_a_t_i_s_t_i_c

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

     Computation of Allen's PRESS statistic for an lm object.

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

     PRESS(x)

_A_r_g_u_m_e_n_t_s:

       x: An 'lm' object 

_V_a_l_u_e:

     Allen's PRESS statistic.

_A_u_t_h_o_r(_s):

     W.J. Braun

_S_e_e _A_l_s_o:

     'lm'

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

     data(p4.18)
     attach(p4.18)
     y.lm <- lm(y ~ x1 + I(x1^2))
     PRESS(y.lm)
     detach(p4.18)

