cdfGtypeCelToPQ          package:affxparser          R Documentation

_F_u_n_c_t_i_o_n _t_o _i_m_m_i_t_a_t_e _A_f_f_y_m_e_t_r_i_x' _g_t_y_p_e__c_e_l__t_o__p_q _s_o_f_t_w_a_r_e

_D_e_s_c_r_i_p_t_i_o_n:

     Function to immitate Affymetrix' gtype_cel_to_pq software.

     This 'function' is design to be used with 'applyCdfGroups'() on an
     Affymetrix Mapping (SNP) CDF 'list' structure.

_U_s_a_g_e:

     cdfGtypeCelToPQ(groups, ...)

_A_r_g_u_m_e_n_t_s:

  groups: A 'list' structure with groups.

     ...: Not used.

_V_a_l_u_e:

     Returns a 'list' structure with a single group.  The fields in
     this groups are in turn vectors (all of equal length) where the
     elements are stored as subsequent quartets (PMA, MMA, PMB, MMB)
     with all forward-strand quartets first followed by all
     reverse-strand quartets.

_A_u_t_h_o_r(_s):

     Henrik Bengtsson (<URL: http://www.braju.com/R/>)

_R_e_f_e_r_e_n_c_e_s:

     [1] Affymetrix, _Understanding Genotyping Probe Set Structure_,
     2005. <URL:
     http://www.affymetrix.com/support/developer/whitepapers/genotyping
     _probe_set_structure.affx>

_S_e_e _A_l_s_o:

     'applyCdfGroups'().

