Differentially Private Nonparametric Hypothesis Testing
Differentially Private Nonparametric Hypothesis Testing
复制标题
差分隐私非参数假设检验
DOI:
10.1145/3319535.3339821
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Groce, Adam
中科院分区:
文献类型:
--
作者:
Couch, Simon;Kazan, Zeki;Shi, Kaiyan;Bray, Andrew;Groce, Adam
Hypothesis tests are a crucial statistical tool for data mining and are the workhorse of scientific research in many fields. Here we study differentially private tests of independence between a categorical and a continuous variable. We take as our starting point traditional nonparametric tests, which require no distributional assumption (e.g., normality) about the data distribution. We present private analogues of the Kruskal-Wallis, Mann-Whitney, and Wilcoxon signed-rank tests, as well as the parametric one-sample t-test. These tests use novel test statistics developed specifically for the private setting. We compare our tests to prior work, both on parametric and nonparametric tests. We find that in all cases our new nonparametric tests achieve large improvements in statistical power, even when the assumptions of parametric tests are met.
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DOI:
--
发表时间:
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期刊:
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International Conference on Data Intelligence and Security
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作者:
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通讯作者:
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