Function-on-function quadratic regression models
Function-on-function quadratic regression models
复制标题
函数对函数二次回归模型
DOI:
10.1016/j.csda.2019.106814
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发表时间:
2020-02
影响因子:
1.8
通讯作者:
Wang Qihua
中科院分区:
文献类型:
--
作者:
Sun Yifan;Wang Qihua
A quadratic regression model where the covariate and the response are both functional is considered, which is a reasonable extension of common function-on-function linear regression models. Methods to estimate the coefficient functions, predict unknown response and test significance of the quadratic term are developed in functional principal component regression paradigm. Asymptotic theories for these approaches are also established. A simulation study is presented to demonstrate the finite sample performances of the proposed methods and an application to real data is used to illustrate the improvement that can be gained by comparing to the function-on-function linear models.
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