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Enhancing Census Data Quality: Methodologies for Editing and Imputation

This session at the UNECE Work Session on Statistical Data Editing (Vienna, April 21-23, 2008) focuses on methodologies for editing census data, highlighting the significance of data quality for political and economic decisions. Presenters Heather Wagstaff and Thomas Burg outline the shift from traditional censuses to register-based approaches and showcase data cleaning methods and technologies. Topics include lessons learned from past censuses, evaluations of imputations for demographic variables, and advancements in editing strategies for upcoming census rounds.

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Enhancing Census Data Quality: Methodologies for Editing and Imputation

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  1. UNECE Work Session on Statistical Data Editing: Vienna 21-23 April 2008 Topic (vi) Methodologies for Editing Census Data INTRODUCTION Heather Wagstaff and Thomas Burg

  2. Topic (vi): Methodologies for Editing Census Data • Two key purposes for census taking are: • to provide a solid basis for important political and/or economic decision making; and • to create a comprehensive set of reference data. • Hence, data editing is essential to ensure sufficient quality of the final outputs. Heather Wagstaff and Thomas Burg

  3. Topic (vi): Methodologies for Editing Census Data • Recent years have seen a movement: • away from conventional census taking; • towards purely register based censuses. • Aim of Session (vi): • To provide an overview of data cleaning methods and technologies used in the latest census roundor planned for the near future. Heather Wagstaff and Thomas Burg

  4. Topic (vi): Methodologies for Editing Census Data WP36 Data Imputation and Estimation for the Austrian Register-based Census WP37 Canadian Census Edit and Imputation - Lessons Learned from 2006 with Plans for 2011 WP38 Evaluating Imputations of Sex and Age for Substitutes in Substitute Households - SNZ WP39 Towards the 2011 UK Census Editing Strategy WP40 Further Improvements to an Edit & Imputation System for the 2007 US Census of Agriculture Heather Wagstaff and Thomas Burg

  5. Topic (vi): Methodologies for Editing Census Data • Schedule for the session: • Presentation of invited and supporting papers • Coffee break - 20 minutes (be back at 16:00) • General discussion of Topic (vi) lead by Thomas • End of session 16:45 Heather Wagstaff and Thomas Burg

  6. Topic (vi): Methodologies for Editing Census Data Enjoy the Presentations ! Heather Wagstaff and Thomas Burg

  7. UNECE Work Session on Statistical Data Editing: Vienna 21-23 April 2008 • Topic (vi) • Methodologies for Editing Census Data CONCLUDING REMARKS Heather Wagstaff and Thomas Burg

  8. Topic (vi): Methodologies for Editing Census Data • Recall that the aim of session (vi) was: • To provide an overview of data cleaning methods and technologies used in the latest census roundor planned for the near future. Heather Wagstaff and Thomas Burg

  9. Topic (vi): Methodologies for Editing Census Data • WP36 Data Imputation and Estimation for the Austrian Register-based Census • WP37 Canadian Census Edit and Imputation - Lessons Learned from 2006 with Plans for 2011 • WP38 Evaluating Imputations of Sex and Age for Substitutes in Substitute Households - SNZ • WP39 Towards the 2011 UK Census Editing Strategy • WP40 Further Improvements to an Edit & Imputation System for the 2007 US Census of Agriculture Heather Wagstaff and Thomas Burg

  10. Topic (vi): Methodologies for Editing Census Data • 1. Lessons learned from prior censuses do move us in the right direction to improve our processes. • 2. Users of census data and subject matter experts are not provided with enough information about editing. • 3. When moving towards register based census there is a clear need to research & investigate the impact of record linkage to edit and imputation • 4. Post census surveys are a helpful tool to both evaluate the results and improve the processes Heather Wagstaff and Thomas Burg

  11. UNECE Work Session on Statistical Data Editing: Vienna 21-23 April 2008 • Thank you for your attention! • Heather and Thomas Heather Wagstaff and Thomas Burg

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