GIS in ISTAT (National Institute of Statistics)DCIQ – DIQR - INT
ESTP course on Geographic Information Systems (GIS): Use of GIS for making statistics in a production environmentStatistics Norway, Oslo, 26th to 30th of March 2012
Name Stefano MugnoliTitle DrPosition ResearcherEmployer ISTATStreet address Via dell’Oceano Pacifico 171Post address, City, Country 00144, Rome ItalyTel : +39 06 /46734431 E-mail : [email protected]
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Name Raffaella ChiocchiniTitle DrPosition ResearcherEmployer ISTATStreet address Via dell’Oceano Pacifico 171Post address, City, Country 00144, Rome ItalyTel : +39 06 /46734470 E-mail : [email protected]
Essential Information
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The Italian National Institute of Statistics is a public research
organization. It has been present in Italy since 1926, and is the
main producer of official statistics in the service of citizens
and policy-makers.
Since 1989 Istat has been performing the role of directing,
coordinating, and providing technical assistance and training
within the National Statistical System (Sistan).
SW: ESRI ARC/INFO, ARCMAP
GIS in ISTAT
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GIS are used mainly:
to produce Census geographical data (since 1990);
to integrate Census parcels & other GEODB data (i.e AGEA, LUCAS, Corine) to
produce thematic maps;
to produce a sort of ‘statistics maps’ that comes from the integration of data
between census parcels & census data;
to upgrade italian administrative boundaries (communes, provinces, regions);
Geocoding address administrative records & Point of Interest.
to calculate distance matrix
INT service is consisting of 30 people
Some examples (ISTAT data)
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Census parcels
In urban areas ISTAT Census data attribute could represent one of the most important source of information to produce statistics
Some examples
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AGEA & ISTAT
data integration
to produce a
Statistics Land
Cover Map
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Geocoding address and Point of Interest
The process of geocodind address consists of:-Acquisition of some administrative address data records coming from Public Institution address archieves;- Normalization of address records with sotftware to produce an output file with geographic coordinates;- georeferencing data and producing a shp output fileThe georeferenced infrastructural data are:-Airports;-Ports;-Primary and secondary school;-Hospitals;-University;-Railways stations;-Historical and cultural sites;-Public libraries.
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Distance matrix
Distance matrix are calculated with GIS on grapho vector
dataset that represent the Italian network viability by car.
These data are calculated in Kilometres and in minutes
(drivetime) and can be used in many institutional project.
Distance euclidean matrix too is used to populate many
statistical model that are used to calculate accessibility and
peripherality indicator and some indicator that have many
application in Statistics for Rural Areas.
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