amelia wardzińska-sharif - Český statistický úřad · sample surveys (using hand-held...
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Amelia Wardzińska-Sharif
Programming and Coordination of Statistical Survey DivisionEuropean Forum for Geostatistics 2012, Prague Conference
24-26 October
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Statistical adress points
• address points for residential buildings
Statistical distribution boundaries
• statistical regions
• enumeration areas
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address locationsfor buildingswith dwellings
needed for censuses inPoland
•to navigate
enumerators
•to visualise census
results on maps
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-to navigateenumerators
- to visualise censusresults on maps
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• reference
material
collection
January 2009 –
December 2009
• reference
material
processing
January 2010 –
May 2010 • address point
update
Censuses 2010
and 2011
• address point
database
update
continuously
since 2011
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• Territorial Identification Registry (System TERYT)provides location data of all statistical units as theaddress-point of a related building
• Location of buildings is specified using geographical x,ycoordinates, giving the exact location of each buildingand make possibility of linking microdata from severalregisters.
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Address point identification system
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Spatial address point Identification system
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This will eliminate the necessity to recalculate data when administrative boundaries are changing. Furthermore, the point assignment will allow easy aggregation and 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 for multidimensional spatial analysis.
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220 lat Statystyki PL Dyrektor Projektu: J. Dygaszewicz 15
220 lat Statystyki PL Dyrektor Projektu: J. Dygaszewicz 15
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220 lat Statystyki PL Dyrektor Projektu: J. Dygaszewicz 16
220 lat Statystyki PL Dyrektor Projektu: J. Dygaszewicz 16
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Data from Head Office of Geodesy and Cartography
Cadastral data (once a year)
Ortophotomaps (once a year)
PRG (once a year)
PRNG (National Register of Geographical Names)
BDOT (TopographicObjects Database)
Other agencies
Parcels borders fromARIMR (Agency for
Restructuring and Modernisationof Agriculture)
Streets network
Data from officialstatistics
National Register TERYT
Statisticsemployees work
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Thanks to good cooperation between the Central
Statistical Office and the Head Office of Geodesy and Cartography we were managed to create a spatial
database of address points for the whole country.
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Agricultural Census 2010
•update in municipalities
•visual pre-survey by enumerators
Population and Housing Census 2011
•update in municipalities
•visual pre-survey by enumerators
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Population and
Housing Census
2011
•update in
municipalities
(January 2011 – 3
weeks)
• internet map
service
• on-line editing
• visual pre-census
survey by
enumerators- 2
weeks before census
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6 months time of addresspoints aquisition(Jan – Jun 2010)
Agricultural census 2010-update
Big cities address pointsaquisition
National Census 2011- update
210 GIS operators in Polishofficial statistics
6 million statistical addresspoints
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Mixed model - a combination of data from administrative sources
with data acquired from
statistical surveys
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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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Management of enumerators in
the field
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Questionnaire completeness analysis
Enumerator monitoring – using GPS/GIS technology◦ Census Progress
◦ Localization and trail
Census completeness monitoring
Emergency situation management◦ Providing help for enumerators
Providing necessary information to enumerators
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Map module - GIS
◦ Ortophotomap
◦ Cadastral Data
◦ Assigned Tasks
◦ Started Tasks
◦ Completed Tasks
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data collected in the census
assigned to address points
statistical data with x, y
coordinates can be used to
create various visualisations
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Census in 2002
180 thousands of census enumerators
120 mln of questionnaires
1 000 tons of papers
At the end shredding
census questionnaires
Census 2011
18 thousands of census enumerators
0 questionnaires
0 tons of papers
ca. 50 mln € less
better data the more reliable results statistical surveys in the
future
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GEO.STAT.GOV.PL
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public access planned for December 2012
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The main objectives of the project
•The spatial presentation of data collected in the AnalyticalMicro Database, in particular:
•PSR 2010 - census data were obtained with the reference spatial location of farm and location of userplace of living,
•Census 2011 - Census data were obtained with the reference spatial location of dwellings.
•The spatial presentation of the geostatistical analysisresults.
•Completing tasks associated with INSPIRE Directive guidelines implementation.
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data repository
•statistical data aggregated to the level of community
•Confidentiality issues concerning aggregation on the enumeration area level – under discussion
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Geostatistical Database Maintenance Subsystem
System Administration Subsystem
Content Management Subsystem (CMS)
Subsystem for Geostatistical Information Publishing and Updateing
•Public Geostatistical Data Browser Module,
•Advanced Statistical Data Browser Module,
INSPIRE Service Subsystem:
•Metadata Portal,
•Components- Network Services OGC / ISO: WMS, WFS, WCS, CSW.
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Available at public mapping services client
Thematic presentation of the phenomena on the map by using cartograms and cartodiagrams (Proportional symbols)
Simple search of objects with aggregated data
Objects identification
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thematic phenomena
measure
level of aggregation
number of classes
class calculation method
colour scale
transparency
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The portal will allow statistical data presentation in form of any spatial unit:
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• 5’ grid
• 1 km2 grid
• administrative division
• urban division (cooperation!)
• statistical division
• any other polygon
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Available for authorized users
Advanced search based on the spatial and attributes query
Tables and graphs presentation
Metadata browser
Sketching and objects selection on the map
Length and surface measurements
Simple GIS analysis
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The selection of objects with a rectangle
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demography (e.g. the average distance between children’s and parents’ residence, commuting to work, school, distance to hospital etc.),
urbanisation and planning (e.g. useful in determining the boundaries of urban agglomerations, metropolies, and the drawing up of land development plans),
agriculture and environment (analysing the structure of crops, environmental pollution),
the economy (e.g. analysing the effects of burdensome road and industry investments).
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UDOSTĘPNIANIE WYNIKÓW SPISÓW POWSZEHNYCH
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UDOSTĘNIANIE WYNIKÓW SPISÓW POWSZECHNYCH
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Metadata editor
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• Simple search by any text.
• Advanced search by using the
textual and spatial criteria.
• Presentation of the range of the
data set or service on the map.
metadata browser
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Planned developments:
• Presenting results of statistical surveys other than the census;
• Carrying out support surveys in the field with use of Handheld device;
• System for maintaning the address spatial databases(spatial representation of the subsystems of TERYT register) - currently maintained in local geodatabaseson county level in regional offices of official statistics;
• georeferencing and presenting existing databases such as Local Data Bank and Regional Data Bank on the various levels.
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Good cooperation
between statistical services
and register-keepers
are crucial for integration of spatial data
for statistical purposes.
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"Management of Spatial Information
is only the beginning of success
- a complete success, to which we should
aim for is
information managed spatially"
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Thank you for yourattention
Amelia Wardzińska-Sharif
Programming and Coordination of Statistical Survey DivisionEuropean Forum for Geostatistics 2012 Conference
Prague , 24-26 October 2012