Statistics computed from data are viewed as random variables. When they are used for tasks like hypothesis testing and confidence intervals, their true finite sample distributions are often replaced by approximating distributions that are easier to work with (for example, the Gaussian, which results from using approximations justified by the Central Limit Theorem). When data are perturbed by differential privacy, the approximating distributions also need to be modified. Prior work provided various competing methods for creating such approximating distributions with little formal justification beyond the fact that they worked well empirically. In this paper, we study the question of how to generate statistical approximating distributions for differentially private statistics, provide finite sample guarantees for the quality of the approximations.
Statistical Approximating Distributions Under Differential Privacy
Yue Wang,Daniel Kifer,Jaewoo Lee,Vishesh Karwa
Published 2018 in Journal of Privacy and Confidentiality
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- Publication year
2018
- Venue
Journal of Privacy and Confidentiality
- Publication date
2018-12-21
- Fields of study
Mathematics, Computer Science
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