Nonparametric Quantile Regression and Uniform Inference with Unknown Error Distribution
未知测量误差分布下的非参数分位数回归与一致推断AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要的核心对象是条件分位数回归函数及跨分位数的一致置信带,直接对应分位数与分布方法。
未知测量误差分布下的非参数分位数回归与一致推断AI 解读 ↓
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This article studies the nonparametric estimation and uniform inference for the conditional quantile regression function (CQRF) with covariates exposed to measurement errors. We consider the case that the distribution of the measurement error is unknown and allowed to be either ordinary or super smooth. We estimate the density of the measurement error by the repeated measurements and propose the deconvolution kernel estimator for the CQRF. We derive the uniform Bahadur representation of the proposed estimator and construct the uniform confidence bands for the CQRF, uniformly in the sense for all covariates and a set of quantile indices, and establish the theoretical validity of the proposed inference. A data-driven approach for selecting the tuning parameter is also included. Monte Carlo simulations and a real data application demonstrate the usefulness of the proposed method.