Preserving edits when perturbing microdata for statistical disclosure control
Natalie Shlomo, Ton de Waal · Statistical Journal of the United Nations Economic Commission for Europe · 2006
To protect individuals in microdata from the disclosure risk of re-identification, a general perturbative method called PRAM (the Post-Randomization Method) is sometimes used for masking records. This method adds “noise” to categorical variables by c