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Manual Data Processing of Census Data. 2004 Population and Housing Census Statistics Sierra Leone Thekeka Moses Conteh Sierra Leone. Population Figures of Sierra Leone. Year Population 1963 2,180,355 1974 2,735,159 1985 3,515,821 2004 4,976,871. Administrative Division.

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manual data processing of census data

Manual Data Processing of Census Data

2004 Population and Housing Census

Statistics Sierra Leone

Thekeka Moses Conteh

Sierra Leone

population figures of sierra leone
Population Figures of Sierra Leone

YearPopulation

  • 1963 2,180,355
  • 1974 2,735,159
  • 1985 3,515,821
  • 2004 4,976,871
administrative division
Administrative Division

Administrative BlocksNumber

  • Region/Province 4
  • District 14
  • Chiefdom 166
  • Sections 1,321
  • Enumeration Area 9,673
  • Localities 16,734
final figures of 2004 census
FINAL FIGURES OF 2004 CENSUS
  • Total Population 4,976,871
  • Males 2,420,218
  • Females 2,556,653
  • Household Population 4,930,532
  • Special Groups Population 46,339
  • Enumeration Area 9673
  • Total Number of Households 819,854
  • Average Household Size 6.0
planning
Planning
  • Office and Equipment / Accessories
  • Personnel
  • Scheduling and timing
  • Budgeting
office preparation installations
Office Preparation / Installations
  • Server Room
  • Data Entry and Verification Room
  • Coding Room
  • Store Room
  • Installation Power supply
  • Air conditioners specifications
  • Specifications for computers, printers, backup systems etc.
  • LAN with star topology.
recruitment and training of personnel
Recruitment and Training of Personnel
  • Data Processing Consultant
  • 1 Census Database Manager
  • 1 Census IT Manager
  • 5 Coding Supervisors
  • 4 Verifying Supervisors
  • 12 Data Entry Supervisors
  • 50 Coders
  • 40 Verifiers
  • 120 Data Entry Operators
receiving and batching
Receiving and Batching
  • 5 Coding Supervisors

To receive the questionnaires from logistics office on behalf

Census Data Processing Unit

To batch the census questionnaires in EA order in the store

for processing

programming a
Programming (a)
  • Main Application SOFTWARE

The Integrated Microcomputer System (IMPS) developed by US Bureau of the census – is a system for entry, editing, tabulation and management of census and survey data.

MODULES

Data Dictionary (DATADICT)

Data Entry (CENTRY)

Data Edit And Imputation (CONCOR)

Publication Tabulation (CENTS)

Quick Tabulation (QUICKTAB)

Table Retrieval (IRS)

Variance Calculation (CENVAR)

Data Entry Control (CENTRACK)

Utilities

Quit

programming b
Programming (b)
  • IMPS
    • Design of data structures
    • Data Capture
    • Verification
    • Validation
    • Tabulation
  • Other SOFTWARE
    • SPSS WIN Version 12.0
    • MS ACCESS
training
Training
  • Coders
  • Verifiers
  • Data Entry Operators
operations a

10% Sample

The Rest

Re-batching

April

May

June

July

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Operations (a)
  • Coding
operations b
Operations (b)
  • Data Entry / Verification / Validation / Back up / Tabulations

10%Sample

The Rest

June

July

Aug

Sep

Oct

Nov

Dec

primary data processing flow
Primary Data Processing Flow

Main Data Entry

Structure Check

Verification Data Entry

Backup Raw Data

Secondary Editing

Backup Final Data

secondary data processing flow
Secondary Data Processing Flow

Export Data from IMPS

Import Data into SPSS

Set up a Tabulation Plan

Run Tables with IMPS and SPSS

creation of census databases
Creation of Census Databases
  • Population
  • Housing
  • Ownership
  • Agriculture
  • Deaths
  • DBMS

MS-Access

challenges with manual entry
Challenges with Manual Entry
  • Duplication of EA codes and household numbers
  • The use of F2 key in IMPS to force values that are out of range.
  • Transposition errors were prominent
  • Incomplete entry of household records
  • Incomplete entry of modules
  • Data Verification was not effective.
benefit of manual data entry approach
Benefit of Manual Data Entry Approach
  • Build institutional capacity by the purchase of more microcomputers which can be used for other activities after the census.
  • Creates employment facility and training for more people.
  • Data can be easily identified and keyed.
  • Inconsistent data can be identify and resolved before keying.
  • Relatively less expensive
  • Data was processed within reasonable period of eight months.