tau argus and supercross a practical example using the uk business register unit data
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Tau-Argus and SuperCROSS A practical example using the UK Business Register Unit data. Andrea Staggemeier Philip Lowthian Grant Lee. Agenda. Business Problem Tau Argus / SuperCROSS Detail of Solution Tau-Argus in Batch Mode SuperCROSS and Tau-Argus Integration

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tau argus and supercross a practical example using the uk business register unit data

Tau-Argus and SuperCROSSA practical example using the UK Business Register Unit data

Andrea Staggemeier

Philip Lowthian

Grant Lee

agenda
Agenda

Business Problem

Tau Argus / SuperCROSS

Detail of Solution

Tau-Argus in Batch Mode

SuperCROSS and Tau-Argus Integration

Controlled Rounding Example

Business Benefits

Issues

Conclusion

Further Information

business problem
Business Problem
  • Manual process
  • Time consuming
  • High risk of human error
  • Therefore higher risk of disclosure
  • Risk reduced by exhaustive manual checks
tau argus
Tau-Argus
  • Software tool enabling Statistical Disclosure Control (SDC)
  • Interactive or Batch mode
  • Safety rules (threshold and dominance)
  • Controlled Rounding
  • Suppression
  • History of Tau-Argus
  • Currently used by BRU within ONS, and other data suppliers to Neighbourhood Statistics
supercross
SuperCROSS
  • Part of SuperSTAR suite from Space-Time Research1 (Melbourne, Australia)
  • Desktop tabulation tool
  • Easy-to-use drag and drop interface
  • Used by BRU, Labour Force Survey, and Census within ONS
  • Used by many other statistical offices around the world.
  • 1www.spacetimeresearch.com
tau argus in batch mode
Tau-Argus in Batch Mode
  • GUI or batch interface
  • Batch file contains parameters and pointers to data/metadata files
integration with supercross
Integration with SuperCROSS
  • Users have familiar tabulation environment
  • Select desired rule from drop-down list (rules set up by in-house experts)
  • Rule applied to table, and results presented to user in SuperCROSS
business benefits
Business Benefits
  • Tau-Argus is powerful disclosure control tool
  • Users do not need to understand SDC or how rules are implemented
  • SDC process is automated, significantly reduces manual effort
  • Reduces risk of human error and possible disclosure
  • Easily adapted to other business areas
some issues
Some Issues
  • Table Design
    • SuperCROSS allows complete flexibility
    • Doesn’t always make sense for Tau-Argus
    • Missing totals are a key concern
  • Table size
    • Solving time

Administration Requirements

conclusion
Conclusion
  • Increase in efficiency
  • Decrease in risk of disclosure
  • Minimal training for users
  • Be wary of table design limitations
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