论文主要研究了非参数局部多项式回归估计模型。
This paper mainly studies the nonparametric regression estimation model of local polynomial.
首先，从产生背景入手，介绍了非参数局部多项式回归估计模型的基本概念以及研究概况。
Firstly, we introduce the research situation of the local polynomial regression estimation and its basic concept from the model's background.
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