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Prepared by Andrew Hancock Classification and Standards Classifications and Standards in Statistics New Zealand.

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Presentation on theme: "Prepared by Andrew Hancock Classification and Standards Classifications and Standards in Statistics New Zealand."— Presentation transcript:

1 Prepared by Andrew Hancock Classification and Standards Classifications and Standards in Statistics New Zealand

2 Statistical Classifications in New Zealand Since 1993 there has been a centralised classifications unit (C&S) based in Christchurch C&S is responsible for developing, maintaining and implementing standard classifications across the Official Statistical System (OSS) C&S provides classifications best practice advice to survey and administrative collections C&S assists integration across surveys so that each area within Statistics NZ uses the same standards and classifications that best fit their survey needs

3 Classification Types Classifications used by Statistics NZ are assigned a classification type based on ownership, the proposed use of the classification and the resulting stakeholder consultation. All classifications in use at Statistics NZ must be approved by the appropriate authority, currently the Standards Governance Board (SGB) and/or the Government Statistician (GS): International Classification New Zealand Standard Classification Standard Classification Independent Classification

4 Classification Types (cont)

5 International classifications if adopted are usually modified to New Zealand conditions and made into New Zealand Standard Classifications. Harmonised classifications are ones developed with the Australian Bureau of Statistics Standard classifications are ones used across many surveys Independent classifications are survey specific classifications

6 Airroutes Areas Currency Ethnicity Households and Families Iwi Language Qualifications Religion Major Classifications ANZSIC - Industry ANZSCO - Occupation ANZSRC - Research NZBEC - Broad Economic Categories NZHSC - Trade NZSCC - Country NZSCNPO - Non-profit NZSTC - Level of Processing

7 Classification Review Process

8 Current Review Work ANZSCO update (released 31 March 2009) ANZSIC06 update just released Households and Families review in progress Standard Coding Tool Policy and Review Geospatial/Areas review (starting January 2009) Metadata Project Institutional Sector review (planned for 2009) Classifications Best Practice Documentation

9 Classifications Best Practice Defines a statistical and standard classification Defines guidelines on principles to consider when developing classifications Details essential components of classifications Has a checklist for developing a classification There is a basic version and a technical version

10 Industry Classification (ANZSIC06) Is an Australian and New Zealand developed classification Aligns with ISIC Rev 4 Uses a supply-side basis concept Is a four level hierarchical classification Has a supporting Output classification Has a strong implementation process supported by Dual Coding Process Backcasting guidelines Time-series concordances Web enabled Classification Code Finder

11 Product Classifications Previously had ANZSPC – based on CPC V1.0 ANZSPC decommissioned by ABS and Statistics NZ Users will concord to CPC V2.0 ABS and Statistics NZ working closely together on linking to CPC V2.0

12 Classifications Management System CARS stands for Classifications and Related Standards System CARS is an on-line computer package used when storing and working with classifications CARS stores classification data such as: classification definitions classification versions concordances (translations between versions) synonyms used for coding survey responses

13 Objectives of the CARS system To provide centralised classification storage, maintenance and access facilities for all classification data used in the development and processing of surveys To facilitate the use of standard classifications in all statistical data To facilitate the comparison and analysis of data by storing concordances To provide common ways to update and access classifications data

14 CARS Environment CARS is a generalised classification system which was developed as part of the Statistics NZ upgrade from a mainframe to a client/server environment Uses 32 bit Centura SQL Windows as client software Uses Sybase (v12.5) as the data repository Uses Sybase views and stored procedures to access data

15 CARS Environment (cont) BF TSM WEB LAN Sybase

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20 SNZ Website Classifications and Standards Classification Code Finder

21 Prepared by Andrew Hancock Classification and Standards Classifications and Standards in Statistics New Zealand


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