eAggregateDDC_SDCZMultiCol(org.apache.sysds.runtime.compress.colgroup.mapping.AMapToData,org.apache.sysds.runtime.compress.colgroup.dictionary.IDictionary,org.apache.sysds.runtime.compress.colgroup.offset.AOffset,double%5B%5D,int)">preAggregateDDC_SDCZMultiCol</a>, <a href="AMapToData.html#preAggregateDDC_SDCZSingleCol(org.apache.sysds.runtime.compress.colgroup.mapping.AMapToData,double%5B%5D,org.apache.sysds.runtime.compress.colgroup.offset.AOffset,double%5B%5D)">preAggregateDDC_SDCZSingleCol</a>, <a href=