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PLAN: Variance-Aware Private Mean Estimation
April 11, 2024, 4:11 a.m. | Martin Aum\"uller, Christian Janos Lebeda, Boel Nelson, Rasmus Pagh
cs.CR updates on arXiv.org arxiv.org
Abstract: Differentially private mean estimation is an important building block in privacy-preserving algorithms for data analysis and machine learning. Though the trade-off between privacy and utility is well understood in the worst case, many datasets exhibit structure that could potentially be exploited to yield better algorithms. In this paper we present $\textit{Private Limit Adapted Noise}$ (PLAN), a family of differentially private algorithms for mean estimation in the setting where inputs are independently sampled from a distribution …
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