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Additive Regression with Hilbertian Responses : 힐버트 반응변수를 갖는 가법 회귀
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- Authors
- Advisor
- 박병욱
- Major
- 자연과학대학 통계학과
- Issue Date
- 2018-08
- Publisher
- 서울대학교 대학원
- Description
- 학위논문 (박사)-- 서울대학교 대학원 : 자연과학대학 통계학과, 2018. 8. 박병욱.
- Abstract
- This paper develops a foundation of methodology and theory for the estimation of structured nonparametric regression models with Hilbertian responses. Our method and theory are focused on the additive model, while the main ideas may be adapted to other structured models. For this, the notion of Bochner integration is introduced for Banach-space-valued maps as a generalization of Lebesgue integration. Several statistical properties of Bochner integrals, relevant for our method and theory, and also of importance in their own right, are presented for the first time. Our theory is complete. The existence of our estimators and the convergence
of a practical algorithm that evaluates the estimators are established. These results are non-asymptotic as well as asymptotic. Furthermore, it is proved that the estimators of component maps achieve the univariate error rates in pointwise, $L^2$ and uniform convergence, and converge jointly in distribution to Gaussian random
elements. Our numerical examples include the cases of functional, density-valued and
simplex-valued responses, which demonstrate the validity of our approach.
- Language
- English
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