splitFormula              package:nlme              R Documentation

_S_p_l_i_t _a _F_o_r_m_u_l_a

_D_e_s_c_r_i_p_t_i_o_n:

     Splits the right hand side of 'form' into a list of subformulas
     according to the presence of 'sep'. The left hand side of 'form',
     if present, will be ignored. The length of the returned list will
     be equal to the number of occurrences of 'sep' in 'form' plus one.

_U_s_a_g_e:

     splitFormula(form, sep)

_A_r_g_u_m_e_n_t_s:

    form: a 'formula' object.

     sep: an optional character string specifying the separator to be
          used for splitting the formula. Defaults to '"/"'. 

_V_a_l_u_e:

     a list of formulas, corresponding to the split of 'form' according
     to 'sep'.

_A_u_t_h_o_r(_s):

     Jose Pinheiro Jose.Pinheiro@pharma.novartis.com and Douglas Bates
     bates@stat.wisc.edu

_S_e_e _A_l_s_o:

     'formula'

_E_x_a_m_p_l_e_s:

     splitFormula(~ g1/g2/g3)