channel               package:Biobase               R Documentation

_C_r_e_a_t_e _a _n_e_w _E_x_p_r_e_s_s_i_o_n_S_e_t _i_n_s_t_a_n_c_e _b_y _s_e_l_e_c_t_i_n_g _a _s_p_e_c_i_f_i_c _c_h_a_n_n_e_l

_D_e_s_c_r_i_p_t_i_o_n:

     This generic function extracts a specific element from an object,
     returning a instance of ExpressionSet.

_U_s_a_g_e:

     channel(object, name, ...)

_A_r_g_u_m_e_n_t_s:

  object: An S4 object, typically derived from class 'eSet'

    name: A (length one) character vector channel names.

     ...: Additional arguments.

_V_a_l_u_e:

     Instance of class 'ExpressionSet'.

_A_u_t_h_o_r(_s):

     Biocore

_E_x_a_m_p_l_e_s:

     obj <- new("NChannelSet",
                R=matrix(runif(100), 20, 5),
                G=matrix(runif(100), 20, 5))
     ## G channel as ExpressionSet
     channel(obj, "G")
       

