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We improve a known result on the strong consistency of M-estimates of the regression parameters in a linear model for independent and identically distributed random errors under some mild conditions.

统计理论 · 数学 2015-05-28 Xinghui Wang , Shuhe Hu

We propose a method for incorporating variable selection into local polynomial regression. This can improve the accuracy of the regression by extending the bandwidth in directions corresponding to those variables judged to be are…

统计理论 · 数学 2010-06-18 Hugh Miller , Peter Hall

We introduce and study a local linear nonparametric regression estimator for censorship model. The main goal of this paper is, to establish the uniform almost sure consistency result with rate over a compact set for the new estimate. To…

统计理论 · 数学 2020-04-07 Feriel Bouhadjera , Elias Saïd , Riad Remita

This paper introduces an intuitive and easy-to-implement nonparametric density estimator based on local polynomial techniques. The estimator is fully boundary adaptive and automatic, but does not require pre-binning or any other…

计量经济学 · 经济学 2019-06-11 Matias D. Cattaneo , Michael Jansson , Xinwei Ma

The problem of error density estimation for a functional single index model with dependent errors is studied. A Bayesian method is utilized to simultaneously estimate the bandwidths in the kernel-form error density and regression function,…

应用统计 · 统计学 2018-10-23 Han Lin Shang

This study proposes a mathematical programming-based algorithm for the integrated selection of variable subsets and bandwidth estimation in geographically weighted regression, a local regression method that allows the kernel bandwidth and…

统计方法学 · 统计学 2025-03-24 Hyunwoo Lee , Young Woong Park

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

The generalization performance of kernel methods is largely determined by the kernel, but common kernels are stationary thus input-independent and output-independent, that limits their applications on complicated tasks. In this paper, we…

机器学习 · 计算机科学 2023-08-30 Jian Li , Yong Liu , Weiping Wang

In this paper we propose a variable bandwidth kernel regression estimator for $i.i.d.$ observations in $\mathbb{R}^2$ to improve the classical Nadaraya-Watson estimator. The bias is improved to the order of $O(h_n^4)$ under the condition…

统计理论 · 数学 2021-01-14 Janet Nakarmi , Hailin Sang , Lin Ge

Estimating the score, i.e., the gradient of log density function, from a set of samples generated by an unknown distribution is a fundamental task in inference and learning of probabilistic models that involve flexible yet intractable…

机器学习 · 统计学 2020-07-01 Yuhao Zhou , Jiaxin Shi , Jun Zhu

In this paper we study the consistency of an empirical minimum error entropy (MEE) algorithm in a regression setting. We introduce two types of consistency. The error entropy consistency, which requires the error entropy of the learned…

机器学习 · 计算机科学 2014-12-18 Jun Fan , Ting Hu , Qiang Wu , Ding-Xuan Zhou

We investigate a series of learning kernel problems with polynomial combinations of base kernels, which will help us solve regression and classification problems. We also perform some numerical experiments of polynomial kernels with…

机器学习 · 计算机科学 2017-12-27 Chen Li , Luca Venturi , Ruitu Xu

The article introduces spatial long-range dependent models based on the fractional difference operators associated with the Gegenbauer polynomials. The results on consistency and asymptotic normality of a class of minimum contrast…

统计理论 · 数学 2015-01-21 R. M. Espejo , N. N. Leonenko , A. Olenko , M. D. Ruiz-Medina

We use local polynomial fitting to estimate the nonparametric M-regression function for strongly mixing stationary processes $\{(Y_{i},\underline{X}_{i})\}$. We establish a strong uniform consistency rate for the Bahadur representation of…

统计理论 · 数学 2007-11-29 Efang Kong , Oliver Linton , Yingcun Xia

This paper addresses the problem of distributed learning under communication constraints, motivated by distributed signal processing in wireless sensor networks and data mining with distributed databases. After formalizing a general model…

机器学习 · 计算机科学 2016-11-15 Joel B. Predd , Sanjeev R. Kulkarni , H. Vincent Poor

This paper deals with a homoskedastic errors-in-variables linear regression model and properties of the total least squares (TLS) estimator. We partly revise the consistency results for the TLS estimator previously obtained by the author…

概率论 · 数学 2018-10-24 Sergiy Shklyar

We study kernel-based estimation of nonparametric time-varying parameters (TVPs) in linear models. Our contributions are threefold. First, we establish consistency and asymptotic normality of the kernel-based estimator for a broad class of…

计量经济学 · 经济学 2026-01-26 Mikihito Nishi

Quantum kernels (QK) are widely used in quantum machine learning applications; yet, their potential to surpass classical machine learning methods on classical datasets remains uncertain. This limitation can be attributed to the exponential…

量子物理 · 物理学 2025-07-29 Roberto Flórez-Ablan , Marco Roth , Jan Schnabel

For a multidimensional It\^o semimartingale, we consider the problem of estimating integrated volatility functionals. Jacod and Rosenbaum (2013) studied a plug-in type of estimator based on a Riemann sum approximation of the integrated…

计量经济学 · 经济学 2025-09-09 José E. Figueroa-López , Jincheng Pang , Bei Wu

In this paper, we propose a random projection approach to estimate variance in kernel ridge regression. Our approach leads to a consistent estimator of the true variance, while being computationally more efficient. Our variance estimator is…

统计理论 · 数学 2018-09-18 Meimei Liu , Jean Honorio , Guang Cheng