Results 1 to 10 of about 30,799 (217)

Estimation of Non-Unique Quantiles [PDF]

open access: diamondThe Annals of Mathematical Statistics, 1966
This paper is concerned with consistent estimates of a quantile of a distribution function when the quantile is not unique. To be more precise, since the quantile is assumed not to be unique, we are concerned with obtaining a consistent estimate of the smallest $p$th quantile for a fixed $p(0 < p < 1)$, and from this procedure we can estimate the ...
Dorian Feldman, Howard G. Tucker
openalex   +3 more sources

Noncrossing quantile regression curve estimation [PDF]

open access: bronzeBiometrika, 2010
Since quantile regression curves are estimated individually, the quantile curves can cross, leading to an invalid distribution for the response. A simple constrained version of quantile regression is proposed to avoid the crossing problem for both linear and nonparametric quantile curves.
Howard D. Bondell   +2 more
openalex   +5 more sources

Estimation of quantile regression model without longitudinal data and with auxiliary information

open access: yesXi'an Gongcheng Daxue xuebao, 2021
In order to study the estimation of the quantile regression model with missing longitudinal data and auxiliary information, the parameter estimation and asymptotic normality of linear quantile regression model are given by using inverse probability ...
Yuting ZHANG   +2 more
doaj   +1 more source

Active Learning Strategy for Surrogate-Based Quantile Estimation of Field Function

open access: yesApplied Sciences, 2022
Uncertainty quantification is widely used in engineering domains to provide confidence measures on complex systems. It often requires to accurately estimate extreme statistics on computationally intensive black-box models.
Loïc Brevault   +2 more
doaj   +1 more source

Sampling Importance Resampling Algorithm with Nonignorable Missing Response Variable Based on Smoothed Quantile Regression

open access: yesMathematics, 2023
The presence of nonignorable missing response variables often leads to complex conditional distribution patterns that cannot be effectively captured through mean regression.
Jingxuan Guo   +7 more
doaj   +1 more source

Estimating Tukey depth using incremental quantile estimators

open access: yesPattern Recognition, 2022
The concept of depth represents methods to measure how deep an arbitrary point is positioned in a dataset and can be seen as the opposite of outlyingness. It has proved very useful and a wide range of methods have been developed based on the concept.
Hammer, Hugo Lewi   +2 more
openaire   +3 more sources

Small Area Quantile Estimation [PDF]

open access: yesInternational Statistical Review, 2018
SummarySample surveys are widely used to obtain information about totals, means, medians and other parameters of finite populations. In many applications, similar information is desired for subpopulations such as individuals in specific geographic areas and socio‐demographic groups. When the surveys are conducted at national or similarly high levels, a
Jiahua Chen, Yukun Liu
openaire   +2 more sources

Quantile Regression in Survival Analysis: Comparing Check-Based Modeling and the Minimum Distance Approach

open access: yesJournal of Biostatistics and Epidemiology, 2023
Introduction: Quantile regression is a valuable alternative for survival data analysis, enabling flexible evaluations of covariate effects on survival outcomes with intuitive interpretations. It offers practical computation and reliability.
Fereshteh Mokhtarpour   +3 more
doaj   +1 more source

Comparison of quantile regression and censored quantile regression methods in the case of chicken consumption

open access: yesDesimal, 2023
The censored quantile regression method is a parameter estimation method that can be used to overcome censored data and BLUE (Best Linear Unbiased Estimator) assumptions that are not met.
Sarmada Sarmada   +2 more
doaj   +1 more source

Factors Affecting Productivity of Upland and Lowland Rice Farms in Matalom, Leyte: A Quantile Regression Approach [PDF]

open access: yesReview of Socio-Economic Research and Development Studies, 2017
This study investigates the determinants of productivity in selected upland and lowland rice farms in Matalom, Leyte using quantile regression approach. Data on rice production are obtained from 40 upland and 40 lowland rice farming households which are ...
Brenda M. Ramoneda, Junnel K. Pene
doaj   +1 more source

Home - About - Disclaimer - Privacy