firstpcres                package:sca                R Documentation

_F_i_r_s_t _P_r_i_n_c_i_p_a_l _C_o_m_p_o_n_e_n_t _o_f _R_e_s_i_d_u_a_l_s _g_i_v_e_n _C_o_m_p_o_n_e_n_t_s

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

     Return the first principal component of residuals of 'S' given the
     components 'P'.

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

     firstpcres(S, P)

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

       S: correlation/covariance matrix

       P: component matrix

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

     numeric vector; actually, the first eigenvector of S - A' (A
     P)^(-1) A where A := P' S.

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

     'sca', also for references

