Autoregressive-aided periodogram bootstrap for timeseries
时间序列的自回归辅助周期图自助法AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要明确研究平稳时间序列、周期图及其依赖结构下的自助推断,直接对应时间序列方法,但未提供宏观应用证据。
时间序列的自回归辅助周期图自助法AI 解读 ↓
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A bootstrap methodology for the periodogram of a stationary process is proposed which is based on a combination of a time domain parametric and a frequency domain nonparametric bootstrap. The parametric fit is used to generate periodogram ordinates that imitate the essential features of the data and the weak dependence structure of the periodogram while a nonparametric (kernel-based) correction is applied in order to catch features not represented by the parametric fit. The asymptotic theory developed shows validity of the proposed bootstrap procedure for a large class of periodogram statistics. For important classes of stochastic processes, validity of the new procedure is also established for periodogram statistics not captured by existing frequency domain bootstrap methods based on independent periodogram replicates.