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An Introduction to 2011 Census Geography
 

An Introduction to 2011 Census Geography

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    An Introduction to 2011 Census Geography An Introduction to 2011 Census Geography Presentation Transcript

    • An introduction to2011 Census geographyJames CroneWebinar17 May 2013
    • WelcomeAn introduction…James CroneUK Data ServiceEDINA GeoServicesUniversity of Edinburgh
    • This webinar is one in a series to launch the UK Data Service:•An introduction to data available from the UK Data ServiceMONDAY 13 May 2013•Broadening access: Improving the impact of social dataTUESDAY 14 May 2013•Looking after and managing your research dataWEDNESDAY 15 May 2013•UnDISCOVERed riches: Finding and accessing data via the UK DataServiceTHURSDAY 16 May 2013•An introduction to 2011 census geographyFRIDAY 17 May 2013Welcome
    • What is the UK Data Service?• a comprehensive resource funded by the ESRC• a single point of access to a wide range of secondarysocial science data• support, training and guidance
    • Who is it for?• academic researchers and students• government analysts• charities and foundations• business consultants• independent research centres• think tanksukdataservice.ac.uk
    • What is Census Support?• access to, and user support for, data from the last fiveUK population censuses (1971 – 2011)• download of data through Census Support is currentlyrestricted to UK Academic userscensus.ukdataservice.ac.uk
    • PollHave you used census data before?• No• Yes, for the UK• Yes, for outside the UK
    • The 2011 Census andcensus geography
    • What is a census?“The total process of collecting, compiling, evaluating,analysing and publishing demographic, economic andsocial data pertaining at a specified time, to all personsin a country or well delimited parts of the country”United Nations (1998)
    • The census in the UKContains National Statistics data © Crown Copyright and database right 2012Contains Ordnance Survey data © Crown Copyright and database right 2012
    • Household census questions• accommodation type – house or flat?• own or rent?• how many rooms?
    • Individual census questions• male or female?• age?• country of birth?• health?
    • What sort of output data is produced?
    • Output census data is geographic
    • Geographical visualisation / analysisContains National Statistics data © Crown Copyright and database right 2012Contains Ordnance Survey data © Crown Copyright and database right 2012
    • Census Output AreasContains National Statistics data © Crown Copyright and database right 2012Contains Ordnance Survey data © Crown Copyright and database right 2012
    • Making 2011 output areas• use where possible 2001 output areas• built from aggregations of postcodes• have roughly similar-sized populations• group together socially similar households• align with local authority boundaries• align to road centrelines and railways
    • 2011 Census geography hierarchyContains National Statistics data © Crown Copyright and database right 2012Contains Ordnance Survey data © Crown Copyright and database right 2012
    • Different geographic scalesContains National Statistics data © Crown Copyright and database right 2012Contains Ordnance Survey data © Crown Copyright and database right 2012
    • PollWhich years have you used UK census data for?• 1971• 1981• 1991• 2001• 2011
    • 5 key differences in2011 Census geography
    • Difference #1: output area change
    • 97.4%How much output area change?
    • What kind of output area change(in Leeds)?Map created by Alex SingletonContains National Statistics data © Crown Copyright and database right 2012Contains Ordnance Survey data © Crown Copyright and database right 2012
    • Difference # 2 : open dataYou are free to:• Copy, publish, distribute and transmit the Information• Adapt the Information• Exploit the Information commerciallyYou must, where you do any of the above:• Acknowledge the source of the informationContains National Statistics data © Crown Copyright and database right 2012Contains Ordnance Survey data © Crown Copyright and database right 2012
    • Difference #3: workplaces• Introduction of a Workplace Zones Geography in 2011
    • Workplace zones vs. output areasContains National Statistics data ©Crown Copyright and database right 2012Contains Ordnance Survey data ©Crown Copyright and database right 2012
    • Difference # 4: identifiers
    • Entities + Instances = standard identifersE00126679 E07000118
    • Difference # 5: boundary versions
    • Extent of the Realm boundariesContains National Statistics data © Crown Copyright and database right 2012Contains Ordnance Survey data © Crown Copyright and database right 2012
    • Clipped boundariesContains National Statistics data © Crown Copyright and database right 2012Contains Ordnance Survey data © Crown Copyright and database right 2012
    • Clipped = more familiar mapsEOR ClippedContains National Statistics data © Crown Copyright and database right 2012Contains Ordnance Survey data © Crown Copyright and database right 2012
    • Generalised boundariesContains National Statistics data © Crown Copyright and database right 2012Contains Ordnance Survey data © Crown Copyright and database right 2012
    • Generalised = reduced file sizeUngeneralised Generalised125 MB450 MBContains National Statistics data © Crown Copyright and database right 2012Contains Ordnance Survey data © Crown Copyright and database right 2012
    • 2011 Census data inUK Data Service Census Support
    • UK Data Service Census Support
    • PollWhich Census Support applicationshave you used before?• InFuse / Casweb• Easy Download / Boundary Data Selector• GeoConvert• Postcode Directory Download
    • Census Support InFuse
    • Census Support Boundary Data Selector
    • Census Support Thematic Mapper
    • More information
    • Census2011Geog Projectcensus2011geog.census.ac.uk
    • Census Support Helpukdataservice.ac.uk/help
    • Forthcoming Census Support traininghttp://goo.gl/RpYNA