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From On-site to Remote Data Access

From On-site to Remote Data Access. Lars Borchsenius Head of Division Statistics Denmark. Phases. From survey- to registerbased statistics 1968: The Person Number From mid-1980s increased interest in micro data for research and analysis On-site arrangement in 1987

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From On-site to Remote Data Access

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  1. From On-site to Remote Data Access Lars Borchsenius Head of Division Statistics Denmark

  2. Phases • From survey- to registerbased statistics • 1968: The Person Number • From mid-1980s increased interest in micro data for research and analysis • On-site arrangement in 1987 • Remote access arrangement in 2001

  3. The Organisational Framework • Data for research are handled by a special Research Services Division • 12 employees (7 academics, 4 computer specialists, 1 secretary) • Grant from the Ministry of Research 800,000 Euro pr. year in the period 2002-2005 • Small branch in Århus, Jutland

  4. The Research Service Unit • Administration of the remote access arrangements • Administrative work concerning authorizations, contracts etc. • Coordinating data from different divisions i Statistics Denmark • Computer related work. Updating research databases • Advisory role – new and old projects

  5. Vision • Denmark should be one of the World´s leading countries within registerbased research

  6. Research Databases • Special microdata sets for research • Reducing costs • Special research topics: • Labour Market Research Data Base • Demographich Database • Social Research Databse • In-patients Register (hospitals) • Register of Medicinal Products Statistics • etc.

  7. Who can have access to microdata? • Only persons (researchers or analysts) from special authorized intistutions (stable institutions with a responsible manager and with a number of researchers/analysts) • Private companies can be authorized and have access if they have a stable research environment

  8. Exceptions • Single companies cannot have access to microdata with data for other companies • Only data after a ”need to know” principle • SD can reduce data (samples and grouping)

  9. The Unix Solution • Special Unix-computer(s) only for access to micro data • Separated from the statistical production (main frame) • Upgrated several times since 1996 • Software: Flexible but most used is SAS, STATA, GAUSS, SPSS • The de-identified micro data remains on the discs in SD

  10. Token – RSA SecurID

  11. Output? • Researchers are not allowed to print individual records and cannot download the basic data • Output with statistical results is forwarded by e-mail • Output is checked by SD manualy

  12. Latest development • The remote access arrangement are now the dominant mode of access to micro data • The on-site arrangement has been closed down during 2004 except from a few workplaces for foreign researchers

  13. Considerable growth • 1986: 2 researchers • 1997: 71 researchers • 2002: 151 researchers • 2004: 250 researchers • 2005: 300 researchers

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