copyright 2010, the world bank group. all rights reserved. coverage, frames gis, part 1 quality...
DESCRIPTION
Copyright 2010, The World Bank Group. All Rights Reserved. COVERAGE 3 Although a census is to cover all the people of a country, no NSO actually manages to achieve this goalTRANSCRIPT
Copyright 2010, The World Bank Group. All Rights Reserved.
COVERAGE,FRAMES & GIS, Part 1
Quality assurance for census
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Copyright 2010, The World Bank Group. All Rights Reserved.
INTRODUCTION
• Coverage• Frames
RegistersDwelling FramesArea Frames
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Copyright 2010, The World Bank Group. All Rights Reserved.
COVERAGE
3
Although a census is to cover all the people of a country, no NSO actually manages to achieve this goal
Copyright 2010, The World Bank Group. All Rights Reserved.
COVERAGE DIFFICULTIES
• Nomads• Multiple residences
– Wealthy– Students
• Homeless• Non-residential dwelling places
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Copyright 2010, The World Bank Group. All Rights Reserved.
REGISTERS
• Population Registers• Other
Electoral RegistersTelephone ListingsGovernment Administrative Files
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Copyright 2010, The World Bank Group. All Rights Reserved.
OTHER REGISTERS
• Electoral lists or registers• Telephone lists• Government Administrative Files
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Copyright 2010, The World Bank Group. All Rights Reserved.
DWELLING FRAME
• Address Files• GPS
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Copyright 2010, The World Bank Group. All Rights Reserved.
GEOGRAPHICAL POSITIONING SYSTEM (GPS)
• Locates dwellings by using x-y coordinates
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Source: Wikipedia
Copyright 2010, The World Bank Group. All Rights Reserved.
AREA FRAMES
• Listing• EA Delineation• Base Maps• Urban Street Maps• GIS
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Copyright 2010, The World Bank Group. All Rights Reserved.
LISTING
On Listing Sheets record:• Dwellings• Population in dwellings
On EA map:• Add new dwellings• Add new features• Remove missing dwellings and features
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Copyright 2010, The World Bank Group. All Rights Reserved.
ENUMERATION AREA
• Definition
• Used for enumeration
• Used for aggregation
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Copyright 2010, The World Bank Group. All Rights Reserved.
EA DELINEATION
• Delineation ToolsEA Maps Base MapsSatellite ImageryMeasuring Tools
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Copyright 2010, The World Bank Group. All Rights Reserved.
VERIFICATION
• GIS tools• By hand
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Copyright 2010, The World Bank Group. All Rights Reserved.
RECONCILIATION
• Current Census Codes• Previous Census(es) Codes
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Copyright 2010, The World Bank Group. All Rights Reserved.
EA LOOK-UP TABLES
2010 2000 1990EA EA EA
10100101 10100101 10100101+10100102
10100102 10100104 1010010310100103 10100102+ 10100104 part
10100103 part 1010010510100104 10100201 1010010610100105 10100103 part 10100201 part+
10100202 part+ 10100104 part10100106 10100202+ 10100203+ 10100301 10100203:::
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