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Census.ac.uk Census Area Statistics and Casweb David Rawnsley Census Dissemination Unit (CDU) Mimas University of Manchester
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Census.ac.uk Overview UK Censuses Aggregate Statistics Census Geography Casweb
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Census.ac.uk UK Census Background Comprehensive population surveys Every ten years Standard topics Single points in time Expensive and complex Inform policy decisions 200 year history from 1801 to 2001
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Census.ac.uk The UK 2001 Census UK Census bicentennial Data collection Census outputs Aggregate statistics outputs Census geographies
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Census.ac.uk Data Collection 29 th April, 2001 Enumeration Confidentiality Social and economic data Individual and household levels Geographical markers Census questionnaire form
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Census.ac.uk 2001 Census Outputs Aggregate Statistics Samples of Anonymised Records (SARs) Interaction Statistics Longitudinal Surveys Digital Boundary Data Metadata
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Census.ac.uk Aggregate Statistics Spatially aggregated counts of individuals and households with various combinations of demographic and socio-economic characteristics –For topics see http://www.statistics.gov.uk/census2001/topics.asp http://www.statistics.gov.uk/census2001/topics.asp –Nesting geographical hierarchies down to Output Area –Unique zone codes –Some national differences in information and geographies Selective release of variables –Confidentiality key to understanding data structures –Pre-defined cross-tabulations –Several component datasets
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Census.ac.uk Spatial Aggregation
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Census.ac.uk Spatial Aggregation
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Census.ac.uk Univariate/Multivariate
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Census.ac.uk 2001 Census Geographies Government Office Regions (GORs) Source: 2001 Census. © Crown Copyright.
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Census.ac.uk 2001 Census Geographies Government Office Regions (GORs) Source: 2001 Census. © Crown Copyright.
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Census.ac.uk 2001 Census Geographies Counties and Unitary Authorities Source: 2001 Census. © Crown Copyright.
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Census.ac.uk 2001 Census Geographies Counties and Unitary Authorities Source: 2001 Census. © Crown Copyright.
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Census.ac.uk 2001 Census Geographies Local Authority Districts Source: 2001 Census. © Crown Copyright.
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Census.ac.uk 2001 Census Geographies Local Authority Districts Source: 2001 Census. © Crown Copyright.
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Census.ac.uk 2001 Census Geographies Wards Source: 2001 Census. © Crown Copyright.
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Census.ac.uk 2001 Census Geographies Wards Source: 2001 Census. © Crown Copyright.
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Census.ac.uk 2001 Census Geographies Wards Source: 2001 Census. © Crown Copyright.
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Census.ac.uk 2001 Census Geographies Output Areas Source: 2001 Census. © Crown Copyright.
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Census.ac.uk 2001 Census Geographies Output Areas Source: 2001 Census. © Crown Copyright.
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Census.ac.uk 2001 Census National Geographical Hierarchies
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Census.ac.uk 2001 Census Geographies Example Code England & WalesEnglandWales Min Resid ents Min Househ oldsStatus Government Office Region (GOR) D99 Administrative County3642 Administrative Unitary Authority (UA)00FB684622 Administrative Local Authority District (LAD)36UD308 Administrative ST Ward36UDGN8,8007,9328681,000400Administrative/Census CAS Ward36UDGN8,8507,96988110040Administrative/Census Output Area36UDGN0006175,434165,6659,76910040Census
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Census.ac.uk Casweb Census Area Statistics on the Web http://casweb.mimas.ac.uk Online access to aggregate statistics Developed at CDU Features –Intuitive web interface –Data driven –Designed for Academics
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