... nonparametric regression econometric model 非参数计量经济模型 nonparametric regression function 非参数回归函数 nonprofit organization 非营利组织 ...
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The kernel estimate of nonparametric regression function has been researched recently.
非参数回归函数的核估计近年来已有了一些研究。
This paper introduced the selection principle and method about a reasonable kernel function and bandwidth based on the nonparametric kernel density estimation and kernel regression estimation.
本文基于非参数核密度估计与核回归估计的基础上，介绍了合理选取核函数及窗宽的原则和方法。
And the nonparametric models is based on data, the form of its regression function is discretionary, so it has a great adaptability.
而非参数回归模型是基于数据本身，其回归函数的形式可以任意，因而有较大适应性。
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