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Empirical Evaluation of Statistical Inference from Differentially-Private Contingency Tables

机译:从微分-偶然列联表中的统计推断的经验评估

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摘要

In this paper, we evaluate empirically the quality of statistical inference from differentially-private synthetic contingency tables. We compare three methods: histogram perturbation, the Dirichlet-Multinomial synthesizer and the Hardt-Ligett-McSherry algorithm. We consider a goodness-of-fit test for models suitable to the real data, and a model selection procedure. We find that the theoretical guarantees associated with these differentially-private datasets do not always translate well into guarantees about the statistical inference on the synthetic datasets.
机译:在本文中,我们根据经验评估了来自差异私有综合权变表的统计推断的质量。我们比较了三种方法:直方图摄动,Dirichlet-多项式合成器和Hardt-Ligett-McSherry算法。我们考虑适合于实际数据的模型的拟合优度检验,以及模型选择过程。我们发现,与这些差异私有数据集相关的理论保证并不总是很好地转化为关于综合数据集统计推断的保证。

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