offset                 package:stats                 R Documentation

_I_n_c_l_u_d_e _a_n _O_f_f_s_e_t _i_n _a _M_o_d_e_l _F_o_r_m_u_l_a

_D_e_s_c_r_i_p_t_i_o_n:

     An offset is a term to be added to a linear predictor, such as in
     a generalised linear model, with known coefficient 1 rather than
     an estimated coefficient.

_U_s_a_g_e:

     offset(object)

_A_r_g_u_m_e_n_t_s:

  object: An offset to be included in a model frame

_D_e_t_a_i_l_s:

     There can be more than one offset in a model formula, but '-' is
     not supported for 'offset' terms (and is equivalent to '+').

_V_a_l_u_e:

     The input value.

_S_e_e _A_l_s_o:

     'model.offset', 'model.frame'.

     For examples see 'glm' and 'Insurance' in package 'MASS'.