readCdfHeader           package:affxparser           R Documentation

_R_e_a_d_s _t_h_e _h_e_a_d_e_r _a_s_s_o_c_i_a_t_e_d _w_i_t_h _a_n _A_f_f_y_m_e_t_r_i_x _C_D_F _f_i_l_e

_D_e_s_c_r_i_p_t_i_o_n:

     Reads the header of an Affymetrix CDF file using the Fusion SDK.

_U_s_a_g_e:

      readCdfHeader(filename)

_A_r_g_u_m_e_n_t_s:

filename: name of the CDF file.

_V_a_l_u_e:

     A named list with the following components: 

    rows: the number of rows on the chip.

    cols: the number of columns on the chip.

probesets: the number of probesets on the chip.

qcprobesets: the number of QC probesets on the chip.

reference: the reference sequence (this component only exists for
          resequencing chips).

chiptype: the type of the chip.

filename: the name of the cdf file.

     normal-bracket23bracket-normal

_A_u_t_h_o_r(_s):

     James Bullard, bullard@stat.berkeley.edu and  Kasper Daniel
     Hansen, khansen@stat.berkeley.edu

_R_e_f_e_r_e_n_c_e_s:

_S_e_e _A_l_s_o:

     'readCdfUnits()'.

_E_x_a_m_p_l_e_s:

     for (zzz in 0) {

     # Find any CDF file
     cdfFile <- findCdf()
     if (is.null(cdfFile))
       break

     header <- readCdfHeader(cdfFile)
     print(header)

     } # for (zzz in 0)

