ORACALLY EFFICIENT ESTIMATION OF AUTOREGRESSIVE ERROR DISTRIBUTION WITH SIMULTANEOUS CONFIDENCE BAND
ORACALLY EFFICIENT ESTIMATION OF AUTOREGRESSIVE ERROR DISTRIBUTION WITH SIMULTANEOUS CONFIDENCE BAND
复制标题
具有联立置信带的自回归误差分布的口头有效估计
DOI:
10.1214/13-aos1197
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发表时间:
2014-04
影响因子:
4.5
通讯作者:
Yang Lijian
中科院分区:
文献类型:
--
作者:
Wang Jiangyan;Liu Rung;Cheng Fuxia;Yang Lijian
We propose kernel estimator for the distribution function of unobserved errors in autoregressive time series, based on residuals computed by estimating the autoregressive coefficients with the Yule-Walker method. Under mild assumptions, we establish oracle efficiency of the proposed estimator, that is, it is asymptotically as efficient as the kernel estimator of the distribution function based on the unobserved error sequence itself. Applying the result of Wang, Cheng and Yang [J. Nonparametr. Stat. 25 (2013) 395-407], the proposed estimator is also asymptotically indistinguishable from the empirical distribution function based on the unobserved errors. A smooth simultaneous confidence band (SCB) is then constructed based on the proposed smooth distribution estimator and Kolmogorov distribution. Simulation examples support the asymptotic theory.
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DOI:
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DOI:
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影响因子:
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