期刊
ANNALS OF STATISTICS
卷 39, 期 3, 页码 1580-1607出版社
INST MATHEMATICAL STATISTICS
DOI: 10.1214/11-AOS874
关键词
Argmax continuous mapping theorem; consistency of the bootstrap; in out of n bootstrap; nonstandard asymptotics; semiparametric regression; smoothed bootstrap
资金
- NSF [DMS-09-06597]
In this paper we study the consistency of different bootstrap procedures for constructing confidence intervals (CIs) for the unique jump discontinuity (change-point) in an otherwise smooth regression function in a stochastic design setting. This problem exhibits nonstandard asymptotics, and we argue that the standard bootstrap procedures in regression fail to provide valid confidence intervals for the change-point. We propose a version of smoothed bootstrap, illustrate its remarkable finite sample performance in our simulation study and prove the consistency of the procedure. The m out of it bootstrap procedure is also considered and shown to be consistent. We also provide sufficient conditions for any bootstrap procedure to be consistent in this scenario.
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