The Cost of Privacy in Generalized Linear Models: Algorithms and Minimax Lower Bounds
The Cost of Privacy in Generalized Linear Models: Algorithms and Minimax Lower Bounds
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广义线性模型中的隐私成本:算法和极小极大下界
DOI:
10.48550/arxiv.2205.03014
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Linjun Zhang
中科院分区:
文献类型:
--
作者:
T. Cai;Yichen Wang;Linjun Zhang
We propose differentially private algorithms for parameter estimation in both low-dimensional and high-dimensional sparse generalized linear models (GLMs) by constructing private versions of projected gradient descent. We show that the proposed algorithms are nearly rate-optimal by characterizing their statistical performance and establishing privacy-constrained minimax lower bounds for GLMs. The lower bounds are obtained via a novel technique, which is based on Stein's Lemma and generalizes the tracing attack technique for privacy-constrained lower bounds. This lower bound argument can be of independent interest as it is applicable to general parametric models. Simulated and real data experiments are conducted to demonstrate the numerical performance of our algorithms.
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DOI:
--
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