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Partially linear single-index model with missing responses at random

机译:具有随机缺失响应的部分线性单指标模型

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摘要

This paper considers semiparametric partially linear single-index model with missing responses at random. Imputation approach is developed to estimate the regression coefficients, single-index coefficients and the nonparametric function, respectively. The imputation estimators for the regression coefficients and single-index coefficients are obtained by a stepwise approach. These estimators are shown to be asymptotically normal, and the estimator for the nonparametric function is proved to be asymptotically normal at any fixed point. The bandwidth problem is also considered in this paper, a delete-one cross validation method is used to select the optimal bandwidth. A simulation study is conducted to evaluate the proposed methods.
机译:本文考虑随机缺失响应的半参数部分线性单指标模型。开发了插补方法来分别估计回归系数,单指数系数和非参数函数。通过逐步方法获得回归系数和单指标系数的归因估计量。这些估计量被证明是渐近正态的,并且非参数函数的估计量在任何固定点都被证明是渐近正态的。本文还考虑了带宽问题,使用删除一交叉验证方法选择最佳带宽。进行了仿真研究以评估所提出的方法。

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