

_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

     offset(x)

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

       x: An offset to be included in a model frame

_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 coef-
     ficient 1 rather than an estimated coefficient.

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

     The input value.

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

     `model.offset', `model.frame', `glm'

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

