A class for integrating the 2001 UK Population Census Individual SAR and
Census Area Statistics to create an individual level census data set for the
UK.
A simple class for distinguishing ISARDataRecords into those with the
same of Age, Sex and Type characteristics where Type can be either:
RELTOHR = 1 for HRP
RELTOHR = -9 for Communal Establishment Populations
RELTOHR = other for general household person