getIntensityMatrix            package:vsn            R Documentation

_E_x_t_r_a_c_t _a _m_a_t_r_i_x _o_f _m_i_c_r_o_a_r_r_a_y _i_n_t_e_n_s_i_t_i_e_s _f_r_o_m _v_a_r_i_o_u_s _k_i_n_d_s _o_f _o_b_j_e_c_t_s

_D_e_s_c_r_i_p_t_i_o_n:

     Extract a matrix of microarray intensities from various kinds of
     objects. This function is called by the function 'vsn', and is
     normally not called by the user.

_U_s_a_g_e:

     getIntensityMatrix (intensities, verbose)

_A_r_g_u_m_e_n_t_s:

intensities: Object of class 'exprSet' with raw intensity values from a
          microarray experiment. Alternatively, this may be a 'matrix',
          a 'data.frame' with all numeric columns or an 'marrayRaw'
          object.

 verbose: Logical. If TRUE, some messages are printed.

_V_a_l_u_e:

     A numeric matrix.

_A_u_t_h_o_r(_s):

     Wolfgang Huber <URL: http://www.ebi.ac.uk/huber>

_S_e_e _A_l_s_o:

     'vsn'

_E_x_a_m_p_l_e_s:

       ## see the vignette