/* (non-Javadoc)
  * @see edu.psu.compbio.seqcode.gse.utils.Factory#createObject()
  */
 public ChipChipData createObject() {
   ChipChipData d1 = loc1.createObject();
   ChipChipData d2 = loc2.createObject();
   return new ChipChipDifferenceData(d1, d2);
 }