vcov-methods               package:aod               R Documentation

_M_e_t_h_o_d_s _f_o_r _F_u_n_c_t_i_o_n "_v_c_o_v" _i_n _P_a_c_k_a_g_e "_a_o_d"

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

     Extract the approximate var-cov matrix of estimated coefficients
     from fitted models.

_M_e_t_h_o_d_s:

     _A_N_Y Generic function: see 'vcov'.

     _g_l_i_m_M_L Extract the var-cov matrix of estimated coefficients for
          fitted models of formal class "glimML".

     _g_l_i_m_Q_L Extract the var-cov matrix of estimated coefficients for
          fitted models of formal class "glimQL".

     _g_e_e_s_e Extract the var-cov matrix of estimated coefficients for
          fitted models of class "geese"  (contributed package
          'geepack').

     _g_e_e_g_l_m Extract the var-cov matrix of estimated coefficients for
          fitted objects of class "geeglm"  (contributed package
          'geepack').

