Statistics Sweden Results from operations in 2006: 146 publications 356 press releases 10 800...
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Statistics Sweden
• Results from operations in 2006:
• 146 publications356 press releases10 800 commissions3,7 million visitors at http://www.scb.se/
• Number of employed: Approx. 1400 employees (approx. 550 in Stockholm, approx. 700 in Örebro and approx. 150 field interviewers around the country)
• Turnover: 934 million SEK, of which 451 million SEK in appropriation
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About Statistics Sweden
• Statistics Sweden is a central government authority for official statistics and other government statistics and in this capacity also responsible for coordinating and supporting the Swedish system for official statistics.
• Statistics Sweden’s mission– In order to supply customers with good quality statistics to
be used as the basis for decision-making, debate and research, Statistics Sweden will:
– develop, produce and communicate statistics, actively contribute to statistical cooperation on an international level and coordinate and support the Swedish system for official statistics.
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Organisation
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The Lotta project
• Standardised production and tools– Process orientation– Customer focus– Efficiency– Standardisation– Quality control
• New organisation after summer– Internal review during summer
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The Lotta project
Steering group: Senior Management
Steering Committee
Preparatory working group
Umbrella project 2
Umbrella project 1
Umbrella project 3
Reference group
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Process maintenance and process development
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The MetaPlus project
• The VHS-project started 2004– Compilation of requirements: Metadok, new
requirements
• Systems design from 2005– Use cases, modeling
• System development 2006– Application, data base
• Production 2007– From January 2
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MetaPlus
• Replace Metadok
• Scope:– Documentation tool with improved quality– Better overview over variables and data– Tool for standardisation and harmonisation– Possibilities for reuse and coordinated use– Consecutive documentation
• Requirement:– That the documented material in Metadok can be
migrated
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Information
• User groups
• The Metadata group (reference group)
• The methods council
• The IT council
• The register council
• The board of directors
• The scientific council
• Seminars
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Metadata management
• The Research and Development department is responsible for maintaining and developing metadata systems and templates
• Due to the decentralised organisation groups and networks are of great importance
• The publishing department is responsible for presenting metadata and is also responsible for the statistical databases (SSD) and the metadata belonging to it
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Overall objective (main goals)
• Document metadata once, metadata should be collected when “made”, reuse
• Standardised metadata should be used when it is possible
• One metadata repository for micro and macro data and other processes
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Lessons learned (future challenges)
• Involve users at an early stage in development. Makes them feeling a part of the development
• Inform a lot
• Make some sort of prototype at an early stage, it is very difficult and abstract for users to describe use cases for a system with this complexity
• How and what process metadata are we going to collect?
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Metadata at Statistics Sweden
• SCBDOK– Word template, standardised structure free text description
• MetaPlus (Metadok)– Formalized metadata, coded information
• KDB, the classification database– Statistical standards and classifications
• Other documentation– Description of the statistics – the quality declaration– Product database– Private production documentation
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Types of documentation and tools, inter-relationship
CONCEPTUAL MODEL: SCBDOK DESCRIPTIVE MODEL FOR STATISTICAL SURVEYS
CLASSIFICATION THEORY
CLASSIFICATION DATABASE
SCBDOK DOCUMENTATION:
OBSERVATION REGISTERS AND
PRODUCTION SYSTEMS
STANDARDIZED QUALITY CONCEPT
QUALITY DECLARATIONS
FORMALIZED METADATA
(METAPLUS ETC.) AND PROCESS DATA (being developed)
FACTS ABOUT
STATISTICS
CUSTOMIZED DESCRIPTIONS AND
AUXILL. SYSTEMS FOR VARIOUS CATEGORIES
AV OF USERS AND USES
DESCRIPTIONS OF STATISTICS THESAURUS
(lacking)
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Description of the statistics
• According to the Swedish Statistics Act they must be produced for all statistics products. – Purpose: provide brief information on the quality of
the statistics and other basic facts. The descriptions serve an important function as a quality declaration for the published statistics.
• Free text format, main chapter’s: – General information – Quality declaration
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Types of documentation and tools, inter-relationship
CONCEPTUAL MODEL: SCBDOK DESCRIPTIVE MODEL FOR STATISTICAL SURVEYS
CLASSIFICATION THEORY
CLASSIFICATION DATABASE
SCBDOK DOCUMENTATION:
OBSERVATION REGISTERS AND
PRODUCTION SYSTEMS
STANDARDIZED QUALITY CONCEPT
QUALITY DECLARATIONS
FORMALIZED METADATA
(METAPLUS ETC.) AND PROCESS DATA (being developed)
FACTS ABOUT
STATISTICS
CUSTOMIZED DESCRIPTIONS AND
AUXILL. SYSTEMS FOR VARIOUS CATEGORIES
AV OF USERS AND USES
DESCRIPTIONS OF STATISTICS THESAURUS
(lacking)
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SCBDOK
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The production process in SCBDOK
STATISTICAL
SURVEY
GOALS, CONTENTS
DATA
COLLECTION FRAME, SAMPLING FINAL OBSERVATION
REGISTERS
FINAL STATISTICS
ESTIMATION DISSEMINATION, ACCESSIBILITY
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Types of documentation and tools, inter-relationship
CONCEPTUAL MODEL: SCBDOK DESCRIPTIVE MODEL FOR STATISTICAL SURVEYS
CLASSIFICATION THEORY
CLASSIFICATION DATABASE
SCBDOK DOCUMENTATION:
OBSERVATION REGISTERS AND
PRODUCTION SYSTEMS
STANDARDIZED QUALITY CONCEPT
QUALITY DECLARATIONS
FORMALIZED METADATA
(METAPLUS ETC.) AND PROCESS DATA (being developed)
FACTS ABOUT
STATISTICS
CUSTOMIZED DESCRIPTIONS AND
AUXILL. SYSTEMS FOR VARIOUS CATEGORIES
AV OF USERS AND USES
DESCRIPTIONS OF STATISTICS THESAURUS
(lacking)
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MetaPlus
Object class
Value domain
Context Population
Variable
Population
Context variable
Object variable
Register
Register version
Register variant
Conceptual value
domain
Value
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Statistical Metadata in the Statistical Cycle
• The Lotta-project– The work on describing the production process is
ongoing at the moment.
• The SCBDOK template covers the whole production process
• MetaPlus primarily describes the content in the final observation registers– Can be used to describe any data matrix at any
other production stage as well
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The Statistical Production Process
Target,cust.dem Frame and sample
Data collection
Datapreparation
Statisticalcomputation
Dissemination and
communication
Evaluation/cust.satisf.
Assessment
Survey design
The colours relate to potential areas for process ownership
Customer contacts
Tender/agr.
Technical preparations
Documentationpreparations
Compilationof frame
Sampling
Administrative registers
Direct data collection
Other primary statistics
Coding
Editing
Corrections
Datadelivery
Estimations
Productionof tables anddiagrammes
Statistical analysis
Dissemination
Data dellivery To customers
Archiving
Customerreactions
Analysis of Process data and customer
reactions
Feed-back to the production
process
Identification ofdata sources
Compilationof results
Internalevaluation,
quality control
General for all processes:
Deliveries between processes
Process data Meta data System architect. Keeping of reg.Treatment of Time series
breaks
Prognosis
Simulation models
Cont.,predesign
Level
1
L
e
v
e
l
2
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CMF and Statistics Sweden
CMF Statistics Sweden
1 Survey planning and design 1 Target, customer demand
2 Survey preparation 2 Frame and sample
3 Data collection 3 Data collection
4 Input processing 4 Data preparation
5 Derivation, estimation, aggregation 5 Statistical computation
6 Analysis
7 Dissemination 6 Dissemination and communication
8 Post survey evaluation 7 Evaluation/customer satisfaction
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Systems and Design issues
• The various parts of the Swedish metadata system are not fully integrated. Some parts (SCBDOK, Description of the Statistics) are simply templates to be filled out in Microsoft Word.
– Presented on the web – MetaPlus, traditional client/server system, using a relational database as its
core and a "fat client" application for data entry and maintenance, or web browser based "thin client" for presentation.
– Metadata for aggregate data are documented in a separate system: SSD.
• The development tools used are all from Microsoft: SQL Server and Visual Basic .NET.
• The tools available to users for creating documentations are the Word templates, the MetaPlus application and the SSD application.
• Development of the entire Swedish Metadata system has been carried out in-house, taking international standards (ISO11179, Neuchâtel) into consideration.
• Revision of IT architecture– probably adopting the SOA principles
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Organizational and cultural issues
• Subject matter statisticians– Documenting– Responsible for the content
• The KMI group
• The metadata group
• The documentation network– Training issues
• The classification network
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Summing up
• Content org– Standardisation and harmonisation is very time consuming – Se principles for content– Work on harmonisation guidelines as early as possible
• Experiences– Migration of content is difficult– Make a simple prototype at an early stage
• Future– One repository – one tool– Metadata and process data in the production process