modern census in poland
DESCRIPTION
MODERN CENSUS in POLAND. Janusz Dygaszewicz Central Statistical Office in Poland. Group of Experts on Population and Housing Census Geneva, 28-30 October 2009. Agenda. New implementation – mixed model A cquisition of statistical data on-line Solution architecture - PowerPoint PPT PresentationTRANSCRIPT
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MODERN CENSUS in POLAND
Janusz DygaszewiczCentral Statistical Office in PolandGroup of Experts on Population and Housing Census
Geneva, 28-30 October 2009
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• New implementation – mixed model• Acquisition of statistical data on-line• Solution architecture• The use of administrative sources • Geo-coding• Conclusions
Agenda
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Mixed Model for Population and Housing Census
Mixed model - a combination of data from administrative sources with data
acquired on-line from statistical surveys
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Data collection channels
• Administrative sources – including spatial data reference registers
ON_LINE:
• Self-enumeration by Internet– ( CAII – Computer Assisted Internet Interview)
• Telephone Interview – ( CATI - Computer Assisted Telephone Interview)
• Sample surveys (using hand-held terminals with GPS and GIS service – HTC Touch HD with GPS) – ( CAPI - Computer Assisted Personal Interview)
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System Architecture – on-line channels
CAII
CATI
Map Server
CAPI
OperationalMicrodata Base
CensusCompletenessManagement
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Supervisor – main actor
• Address Point and Census Area management• Data acquisition method choice (channels)
– CATI– CAPI
• Enumerator management– Census Area assignment– Address point assignment– Workday planning
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Address point assignment
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Supervisor
• Questionnaire completeness analysis• Enumerator monitoring
– Census Progress– Localization and trail
• Census completeness monitoring• Emergency situation management
– Providing help for enumerators
• Providing necessary information to enumerators
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Census Completeness Monitoring
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Enumerator tracking
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Hand-held terminal
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Enumerator
• Visiting all assigned holdings– Filling electronic questionnaires
• Daily synchronisation• Contact with the supervisor
in terms of task scheduling• Adding newly identified
holdings
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Enumerator
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Enumerator
• Map module - GIS– Ortophotomap– Cadastral Data– Assigned Tasks– Started Tasks– Completed Tasks
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Enumerator
• Alarm procedure– In emergency situations,
enumerators have a possibilityof sending an alarm signal to their supervisors
– Alarm notice is sentto the supervisor applicationand via SMS to the supervisor
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CENSUSData Processing Infrastructure
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Solution architecture
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CATICAII
Map Server
Register A
CAPI
MicrodataDatabase
OperationalMicrodataDatabase
Register B Input,
Estimation,Definitions,
ClassificationMETADATA
Statistical IDTable
Estimation
Public METADATA
Individual Orders
Spatial Analysis
INTERNET
Registry GestorsPublic Zone
Data Normalization
Data Integration
Data Depersonalisation
Data DisseminationPublic Zone
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The Methodology of Linkage Data from Several Channels
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Pop
ulat
ion
Attributes
Register data
Enumerators
Imputation& calibration
Internet, CATI
The Census Model in Poland
Att
rib
ute
s n
ot
co
vere
d -
im
pu
tati
on
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Pop
ulat
ion
Attributes
Register data
Enumerators
Sm
all A
rea
Est
imat
ion
Imputation & calibration
Internet, CATI
Estimation of whole population
The Census Model in Poland
Estimation based on the sample surveys
Sample Surveys
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• The following usage of administrative sources is being planned during the census: – direct source of research data ,– source of information to create a list of
entities covered by the census (address-housing survey) ,
– in addition, a source of information for : • imputation, • data estimation, • comparison and determining the quality of the data.
The use of administrative sources in censuses
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In Poland exist several hundred registers, but 3 of them could be pointed as the
base administrative registers
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The name of the base registerThe name of the body responsible for
administrative system
Population Identification Register System:
General Electronic System of Population Registration - PESEL,
Ministry of Interior Affairs and Administration
Registration files on the level Gminas’ offices
Gminas’ offices, e.g.Commune/Municipal offices
- Economy units and enterprises identification register called REGON
Central Statistical Office
- Territorial identification register – TERYT integrated with land and building registers
Central Statistical Office
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• This 3 base registers deliver unified identification system across other different registers and make it possible to integrate almost all administrative sources.
• Now, about 28 public registers were selected as administrative sources for census.
• Territorial Identification Register - TERYT is the most crucial for public statistics.
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x,y GEOCODING
• Territorial identification registry (System TERYT) provides location data of all statistical units as the address-point of a related building
• Location of buildings is specified using geographical x,y coordinates, giving the exact location of each building and make possibility to linking microdata from several registers.
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• This will eliminate the necessity to recalculate data when administrative borders are changing. Furthermore, the point assignment will allow easy processing of statistical data in any chosen area - even for the GRID - GEOSTAT
• x,y geocoding is crucial in all three stages of the census: • the preparatory works, • management of enumerators • and after the census for multidimensional spatial
analysis.
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Identification system for address point
XXXXXX X YYYYYYY RRRRRR O UUUUUBuilding
No.Dwelling
No.
ID of administration
levels
ID of city, town,
village
ID of statistical
area
ID of street
5767
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Identification system for spatial address point
XXXXXX X YYYYYYY RRRRRR O UUUUUBuilding
No.Dwelling
No.
ID of administration
levels
ID of city, town,
village
ID of statistical
area
ID of street
yx
5767
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220 lat Statystyki PL
Dyrektor Projektu: J. Dygaszewicz 35220 lat Statystyki PL Dyrektor Projektu: J. Dygaszewicz 35
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220 lat Statystyki PL
Dyrektor Projektu: J. Dygaszewicz 36220 lat Statystyki PL Dyrektor Projektu: J. Dygaszewicz 36
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We expect that after the population census in 2011 spatial analysis, based on address point assignment, enable us to disseminate geostatistics data for more
than 40 000 settlements in Poland
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Good cooperation between statistical services
and register-keepers are crucial for integration of
administrative data for statistical purposes.
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Instead of a conclusion
Census in 2002
• 200 thousands of census enumerators
• 150 mln of questionnaires
• 1 000 tons of papers
• At the end shredding census questionnaires
Census 2011
• 20 thousands of census enumerators
• 0 questionnaires
• 0 tons of papers
• ca. 40 mln € less
• better data• the more reliable results• statistical surveys in the future
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Central Statistical Office - Poland
Thank you for your attention
Janusz Dygaszewicz
Central Statistical Office, PolandDirector of Central Census [email protected]
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