• Rounding methods for protecting EU-aggregates 

      Giessing, Sarah; Hundepool, Anco; Castro Pérez, Jordi (Eurostat-Office for Official Publications of the European Communities, 2007)
      Text en actes de congrés
      Accés obert
      In the European Statistical System the statistical information is collected by the National Statistical Institutes (NSIs). The NSIs produce aggregate tables at the national level. They are also responsible for proper ...
    • Testing variants of minimum distance controlled tabular adjustment 

      Castro Pérez, Jordi; Giessing, Sarah (Eurostat-Office for Official Publications of the European Communities, 2008-07-31)
      Capítol de llibre
      Accés obert
      Controlled tabular adjustment (CTA), and its minimum distance variants, is a recent methodology for the protection of tabular data. Given a table to be protected, the purpose of the method is to fi nd the closest one that ...