isPresent               package:giRaph               R Documentation

_I_s _t_h_e _f_i_r_s_t _o_b_j_e_c_t _p_r_e_s_e_n_t _i_n _t_h_e _s_e_c_o_n_d _o_n_e?

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

     Check whether the first object is present in the second one.

_U_s_a_g_e:

     isPresent(el, ou)

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

      el: element to look for

      ou: place where to look for it

_D_e_t_a_i_l_s:

     The function 'isPresent' is generic.

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

     Returns a logical value telling whether the first object is
     present in the second one or not.

_A_u_t_h_o_r(_s):

     Jens Henrik Badsberg, Claus Dethlefsen, Luca La Rocca

