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We propose a new estimator based on a linear programming method for smooth frontiers of sample points. The derivative of the frontier function is supposed to be Holder continuous.The estimator is defined as a linear combination of kernel…

统计理论 · 数学 2014-09-23 Alexander Nazin , Stephane Girard

We present a new method for estimating the frontier of a multidimensional sample. The estimator is based on a kernel regression on the power-transformed data. We assume that the exponent of the transformation goes to infinity while the…

统计方法学 · 统计学 2011-03-31 Stéphane Girard , Pierre Jacob

In this paper, we study the behavior of a kernel estimator of the regression function in the right censored model with $\alpha$-mixing data . The uniform strong consistency over a real compact set of the estimate is established along with a…

统计理论 · 数学 2008-02-21 Zohra Guessoum , Elias Ould-Saïd

In a previous paper, we studied a kernel estimate of the upper edge of a two-dimensional bounded set, based upon the extreme values of a Poisson point process. The initial paper "Geffroy J. (1964) Sur un probl\`eme d'estimation…

统计理论 · 数学 2012-09-03 Stéphane Girard , Pierre Jacob

This paper presents uniform convergence rates for kernel regression estimators, in the setting of a structural nonlinear cointegrating regression model. We generalise the existing literature in three ways. First, the domain to which these…

统计理论 · 数学 2015-05-08 James A. Duffy

This paper addresses the problem of regression to reconstruct functions, which are observed with superimposed errors at random locations. We address the problem in reproducing kernel Hilbert spaces. It is demonstrated that the estimator,…

统计理论 · 数学 2021-08-17 Paul Dommel , Alois Pichler

In this paper we study some asymptotic properties of the kernel conditional quantile estimator with randomly left-truncated data which exhibit some kind of dependence. We extend the result obtained by Lemdani, Ould-Sa\"id and Poulin [16] in…

统计理论 · 数学 2008-10-08 Elias Ould-Saïd , Djabrane Yahia , Abdelhakim Necir

We provide uniform convergence rates for kernel averages on $[0,1]$ under equally-spaced fixed design points of the form $x_{t,T}=t/T,\ t\in\{1,\dotsc, T\},\ T\in\mathbb{N}$. The rates of weak and strong uniform consistency are derived…

统计理论 · 数学 2026-03-06 Danilo Hiroshi Matsuoka , Hudson da Silva Torrent

We adress the problem of consistency of the $k$-nearest neighbors kernel estimators of the density and the regression function in the multivariate case. We get the rates of strong uniform consistency on the whole space $\mathbb{R}^p$ for…

统计理论 · 数学 2024-08-26 Luran Bengono Mintogo , Emmanuel de Dieu Nkou , Guy Martial Nkiet

In this article, we introduce a kernel-based consensual aggregation method for regression problems. We aim to exibly combine individual regression estimators $r_1, \ldots, r_M$ using a weighted average where the weights are dened based on…

统计理论 · 数学 2023-10-03 Sothea Has

Descriptive statistics for parametric models are currently highly sensative to departures, gross errors, and/or random errors. Here, leveraging the structures of parametric distributions and their central moment kernel distributions, a…

统计理论 · 数学 2024-09-11 Li Tuobang

Consider a random vector (X, T), where X is d-dimensional and T is one-dimensional. We suppose that the random variable T is subject to random right censoring and satisfies the $\alpha$-mixing property. The aim of this paper is to study the…

统计理论 · 数学 2019-10-07 Bouhadjera Feriel , Elias Ould Said

We propose new estimates for the frontier of a set of points. They are defined as kernel estimates covering all the points and whose associated support is of smallest surface. The estimates are written as linear combinatio- ns of kernel…

统计方法学 · 统计学 2011-03-31 Guillaume Bouchard , Stéphane Girard , Anatoli Iouditski , Alexander Nazin

In this article, we introduce a kernel-based consensual aggregation method for regression problems. We aim to flexibly combine individual regression estimators $r_1, r_2, \ldots, r_M$ using a weighted average where the weights are defined…

统计方法学 · 统计学 2021-04-29 Sothea Has

This study proposes a robust estimator for stochastic frontier models by integrating the idea of Basu et al. [1998, Biometrika 85, 549-559] into such models. We verify that the suggested estimator is strongly consistent and asymptotic…

统计方法学 · 统计学 2015-07-29 Junmo Song , Dong-hyun Oh , Jiwon Kang

This paper provides new uniform rate results for kernel estimators of absolutely regular stationary processes that are uniform in the bandwidth and in infinite-dimensional classes of dependent variables and regressors. Our results are…

计量经济学 · 经济学 2020-05-21 Juan Carlos Escanciano

We are interested in the kernel of one-dimensional diffusion equations with continuous coefficients as evaluated by means of explicit discretization schemes of uniform step $h>0$ in the limit as $h\to0$. We consider both semidiscrete…

数值分析 · 数学 2007-11-02 Claudio Albanese

In this paper, we develop a general machinery for finding explicit uniform probability and moment bounds on sub-additive positive functionals of random processes. Using the developed general technique, we derive uniform bounds on the…

概率论 · 数学 2012-02-09 Alexander Goldenshluger , Oleg Lepski

Previous analysis of regularized functional linear regression in a reproducing kernel Hilbert space (RKHS) typically requires the target function to be contained in this kernel space. This paper studies the convergence performance of…

机器学习 · 统计学 2024-02-20 Jiading Liu , Lei Shi

We propose new optimal estimators for the Lipschitz frontier of a set of points. They are defined as kernel estimators being sufficiently regular, covering all the points and whose associated support is of smallest surface. The estimators…

统计方法学 · 统计学 2011-03-31 Stéphane Girard , Anatoli Iouditski , Alexander Nazin
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