Prior-free Data Acquisition for Accurate Statistical Estimation
Prior-free Data Acquisition for Accurate Statistical Estimation
复制标题
无需先验的数据采集,可进行准确的统计估计
DOI:
10.1145/3328526.3329564
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Zheng, Shuran
中科院分区:
文献类型:
--
作者:
Chen, Yiling;Zheng, Shuran
We study a data analyst's problem of acquiring data from self-interested individuals to obtain an accurate estimation of some statistic of a population, subject to an expected budget constraint. Each data holder incurs a cost, which is unknown to the data analyst, to acquire and report his data. The cost can be arbitrarily correlated with the data. The data analyst has an expected budget that she can use to incentivize individuals to provide their data. The goal is to design a joint acquisition-estimation mechanism to optimize the performance of the produced estimator, without any prior information on the underlying distribution of cost and data. We investigate two types of estimations: unbiased point estimation and confidence interval estimation.Unbiased estimators:We design a truthful, individually rational, online mechanism to acquire data from individuals and output an unbiased estimator of the population mean when the data analyst has no prior information on the cost-data distribution and individuals arrive in a random order. The performance of this mechanism matches that of the optimal mechanism, which knows the true cost distribution, within a constant factor. The performance of an estimator is evaluated by its variance under the worst-case cost-data correlation.Confidence intervals:We characterize an approximately optimal (within a factor 2) mechanism for obtaining a confidence interval of the population mean when the data analyst knows the true cost distribution at the beginning. This mechanism is efficiently computable. We then design a truthful, individually rational, online algorithm that is only worse than the approximately optimal mechanism by a constant factor. The performance of an estimator is evaluated by its expected length under the worst-case cost-data correlation.
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影响因子:
0.6
作者:
Javier Perote;Juan Perote
通讯作者:
Juan Perote
DOI:
10.1145/3219166.3219195
发表时间:
2018
期刊:
ACM Conference on Economics and Computation
影响因子:
--
作者:
Chen, Yiling;Immorlica, Nicole;Lucier, Brendan;Syrgkanis, Vasilis;Ziani, Juba
通讯作者:
Ziani, Juba
DOI:
--
发表时间:
2014
期刊:
Annual Conference Computational Learning Theory
影响因子:
--
作者:
Yang Cai;C. Daskalakis;Christos H. Papadimitriou
通讯作者:
Christos H. Papadimitriou
影响因子:
14.4
作者:
R. Meir;Ariel D. Procaccia;J. Rosenschein
通讯作者:
J. Rosenschein
DOI:
--
发表时间:
2018
期刊:
arXiv.org
影响因子:
--
作者:
Yang Liu;Yiling Chen
通讯作者:
Yiling Chen