2007 population and housing census swaziland
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2007 Population and Housing Census (Swaziland). Presented by: Muzi Dube. Outline. Background Budgeting Census Mapping Census Fieldwork Coding Data Entry Data Validation Problems Positives. Background. 17,364 km 2 , 4 Regions, 55 Tinkhundlas (Admin)

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Outline l.jpg
Outline

  • Background

  • Budgeting

  • Census Mapping

  • Census Fieldwork

  • Coding

  • Data Entry

  • Data Validation

  • Problems

  • Positives

UN Regional Workshop on Census Data Processing: contemporary technologies for census data capture and editing, Dar es Salaam, Tanzania, 9-13 June 2008


Background l.jpg
Background

  • 17,364 km2 , 4 Regions, 55 Tinkhundlas (Admin)

  • 10 Muni, 195 Major, 355 Minor, 2076 EAs

  • 1997 last census, 1758 EAs, 927,000 population.

UN Regional Workshop on Census Data Processing: contemporary technologies for census data capture and editing, Dar es Salaam, Tanzania, 9-13 June 2008


Budgeting l.jpg
Budgeting

  • Submitted 2 yrs prior for US$ 4 million

  • ADB training for MCDBA (SQL 2000, Win 2K3 Server)

  • UNDP/UNFPA training CSPro, Geomedia, RDMS

  • UNFPA (4 vehicles + server + 30 workstations)

UN Regional Workshop on Census Data Processing: contemporary technologies for census data capture and editing, Dar es Salaam, Tanzania, 9-13 June 2008


Census mapping l.jpg
Census Mapping

  • Manual Digitising of the 1997 EAs in GIS

  • Some as old as 1976 plus sketch maps

  • Use 1999 othophotos by JICA

  • 1st listing (Homesteads plus EA boundaries)

  • 2nd listing (Households plus count of population.

  • Splits if > 80 Hmstds or > 500 people digitally.

  • Ensured referential integrity to ‘86,’97 EAs

UN Regional Workshop on Census Data Processing: contemporary technologies for census data capture and editing, Dar es Salaam, Tanzania, 9-13 June 2008


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Recruitment

  • 1st, 2nd Phase listing permanent staff.

  • Unemployed graduates (Dem/Stats) as RCOs

  • Permanent staff as deputies

  • Unemployed high school leavers (Spvrs/Enums)

  • 20 temp coders, 26 as data capture operators

  • Enumerators paid US$750 /month.

UN Regional Workshop on Census Data Processing: contemporary technologies for census data capture and editing, Dar es Salaam, Tanzania, 9-13 June 2008


Census fieldwork l.jpg
Census Fieldwork

  • 8 RCOs, 2/region, 1 Ass. for each RCO

  • 12 -14 blocks per region, 10-15 EAs per block

  • 1 supervisor for 4-5 EAs

  • Summary sheets/ EA moved to head office.

  • Sheets captured for the QC, 953,000 (August)

  • A vehicle for each supervisor.

  • 1997 last census, 1758 EAs, 927,000 population.

UN Regional Workshop on Census Data Processing: contemporary technologies for census data capture and editing, Dar es Salaam, Tanzania, 9-13 June 2008


Coding l.jpg
Coding

  • Coded Major Area, Country of birth, Binary education, Occupation and Industry (4 digits)

  • Using (+) skips, (/) ending group occ. and Crtl+/ for ending group.

  • Manager for the new codes plus logistics.

  • Code at least 40 questionnaires/day.

UN Regional Workshop on Census Data Processing: contemporary technologies for census data capture and editing, Dar es Salaam, Tanzania, 9-13 June 2008


Data entry l.jpg
Data Entry

  • Data entry program (in house) ready 2006

  • Modified 2007 for minimising automation (TA).

  • Manager for moving and recording batches.

  • Lean staff Oct. 2007 (8)full staff Feb. 2008 (36)

  • Done by region at min of 100 cases/day.

  • Overtime for weekends to meet deadlines.

UN Regional Workshop on Census Data Processing: contemporary technologies for census data capture and editing, Dar es Salaam, Tanzania, 9-13 June 2008


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Data Validation

  • 4 wks inconsistencies, 4 wks edit specs.

  • CSBatch used with modifications with some TA.

  • Modified CSEntry for verification (Feb. 2008)

  • Manager for moving and recording batches.

  • Concurrently finalised tabulation plan.

  • Identified analytical report chapter authors.

UN Regional Workshop on Census Data Processing: contemporary technologies for census data capture and editing, Dar es Salaam, Tanzania, 9-13 June 2008


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Problems

  • Inadequate vehicles for fieldwork.

  • Red tape in the recruitment exercise.

  • Pressure on coders e.g. 2122 coded as 4122.

  • New codes for chiefs

  • Changing of DD for collectives, e.g. Barracks…

  • Making Chief_ID as a PK given it can be null.

  • Jumbling of qstns during entry when verifying.

  • Changing of DD on edit specs to suit RETADUM.

  • Use of slash(/) and Crtl+(/) for keyers.

UN Regional Workshop on Census Data Processing: contemporary technologies for census data capture and editing, Dar es Salaam, Tanzania, 9-13 June 2008


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Problems (contd.)

  • Doubling up as GIS/ DP manager.

  • Fixing of EAs post data capture.

  • Lack of skilled staff at professional level.

  • Use of temporal staff for key tasks.

UN Regional Workshop on Census Data Processing: contemporary technologies for census data capture and editing, Dar es Salaam, Tanzania, 9-13 June 2008


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Solutions

  • CSPro modules e.g. Reformat, Sort etc.

  • inconsistencies, 4 wks edit specs.

  • CSBatch used with modifications with some TA.

  • Modified CSEntry for verification (Feb. 2008)

  • Manager for moving and recording batches.

  • Concurrently finalised tabulation plan.

  • Identified analytical report chapter authors.

UN Regional Workshop on Census Data Processing: contemporary technologies for census data capture and editing, Dar es Salaam, Tanzania, 9-13 June 2008


Positives l.jpg
Positives

  • Have a fully fledged GIS unit.

  • Extra Hardware/Software

  • Employment opportunities

  • Staff trained in STATA, SPSS, CSPro, SQL..etc

  • Ability to mutate to new technologies e.g. use of GPS, scanning.

  • Easy sharing and dissemination with users.

  • Declining technical assistance if not necessary.

  • Institutional memory.

UN Regional Workshop on Census Data Processing: contemporary technologies for census data capture and editing, Dar es Salaam, Tanzania, 9-13 June 2008


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