The papers below give details of the areas of research undertaken up to May 2002 on the One Number Census (ONC) project.

These papers are in 'pdf' format. For help in downloading pdf files click HERE.

To view a paper, please click on the relevant paper number below:

SC0201	ONC Imputation - This paper outlines the modifications that have been made to the ONC imputation methodology in light of the 2001 Census and CCS data available.
SC0202	Matching Accuracy - This paper outlines the work that has been undertaken to measure and improve the accuracy of the ONC matching process. This work has successfully achieved a false match rate significantly below the 0.1% suggested by Kendrick (ONS(ONC(SC))00/14).

This page last revised: 01 November 2005