

asOneSidedFormula {nls}                      R Documentation

_C_o_n_v_e_r_t _t_o _O_n_e_-_S_i_d_e_d _F_o_r_m_u_l_a

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

     Names, expressions, numeric values, and strings are
     converted to one-sided formulas. If `object' is a for-
     mula, it must be one-sided, in which case it is
     returned unaltered.

_U_s_a_g_e_:

     asOneSidedFormula(object)

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

  object: a one-sided formula, an expression, a numeric
          value, or a character string.

_V_a_l_u_e_:

     a one-sided formula representing `object'

_A_u_t_h_o_r_(_s_)_:

     Jose Pinheiro and Douglas Bates

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

     `formula'

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

     library(nls)
     asOneSidedFormula("age")
     asOneSidedFormula(~ age)

