1m_reference_cn: a reference distribution of quantile normalized
		 intensities obtained from the nonpolymorphic probes
		 on the Affymetrix 6.0 platform

npProbesFid: a named vector of fids for the nonpolymorphic probes on
	     the Affymetrix 6.0 platform.  The names are the
	     Affymetrix identifiers.

cnProbes_hg*: matrix containing the physical coordinates (chromosome and
	  physical position) for each nonpolymorphic probe on the
	  Affymetrix 6.0 platform

snpProbes_hg*: matrix containing the physical coordinates (chromosome and
	  physical position) for each polymorphic probe on the
	  Affymetrix 6.0 platform


