[HTML][HTML] Combating outliers and multicollinearity in linear regression model using robust Kibria-Lukman mixed with principal component estimator, simulation and …

KC Arum, FI Ugwuowo, HE Oranye, TO Alakija… - Scientific African, 2023 - Elsevier
Scholars usually adopt the method of least squared to model the relationship between a
response variable and two or more explanatory variables. Ordinary least squares estimator's …

[HTML][HTML] Urinary neonicotinoids and metabolites are associated with obesity risk in Chinese school children

Z Yang, Y Wang, C Tang, M Han, Y Wang, K Zhao… - Environment …, 2024 - Elsevier
Background Neonicotinoids are the most widely used insecticides. Laboratory studies have
suggested that neonicotinoids are one potential obesogen, but relevant data are limited in …

Factors influencing residential water consumption in Wallonia, Belgium

N Bich-Ngoc, C Prevedello, M Cools, J Teller - Utilities Policy, 2022 - Elsevier
Studies on residential water determinants often considered a limited number of possible
factors due to lacking data, especially at micro-levels. This study aims to address the …

Robust biased estimators for Poisson regression model: simulation and applications

AF Lukman, M Arashi, V Prokaj - … and Computation: Practice …, 2023 - Wiley Online Library
The method of maximum likelihood flops when there is linear dependency (multicollinearity)
and outlier in the generalized linear models. In this study, we combined the ridge estimator …

Robust-stein estimator for overcoming outliers and multicollinearity

AF Lukman, RA Farghali, BMG Kibria, OA Oluyemi - Scientific Reports, 2023 - nature.com
Linear regression models with correlated regressors can negatively impact the performance
of ordinary least squares estimators. The Stein and ridge estimators have been proposed as …

Modeling and robust prediction of high heating values of municipal solid waste based on ultimate analysis

RA Ibikunle, AF Lukman, IF Titiladunayo… - Energy Sources, Part …, 2020 - Taylor & Francis
The heating/calorific value of municipal solid waste (MSW) is essential in selecting or
designing the appropriate waste to energy (WTE) systems. Experimental evaluation of the …

Jackknife Kibria-Lukman M-estimator: Simulation and application

SL Jegede, AF Lukman, K Ayinde… - Journal of the Nigerian …, 2022 - journal.nsps.org.ng
The ordinary least square (OLS) method is very efficient in estimating the regression
parameters in a linear regression model under classical assumptions. If the model contains …

Combining principal component and robust ridge estimators in linear regression model with multicollinearity and outlier

KC Arum, FI Ugwuowo - Concurrency and Computation …, 2022 - Wiley Online Library
The method of least squared suffers a setback when there is multicollinearity and outliers in
the linear regression model. In this article, we developed a new estimator to jointly handle …

Do country-specific preference weights matter in the choice of mapping algorithms? The case of mapping the Diabetes-39 onto eight country-specific EQ-5D-5L value …

AN Lamu, G Chen, T Gamst-Klaussen, JA Olsen - Quality of Life Research, 2018 - Springer
Purpose To develop mapping algorithms that transform Diabetes-39 (D-39) scores onto EQ-
5D-5L utility values for each of eight recently published country-specific EQ-5D-5L value …

Dispersal limitation shapes distance‐decay patterns of European spiders at the continental scale

R Martín‐Devasa, A Jiménez‐Valverde… - Global Ecology and …, 2024 - Wiley Online Library
Aim To assess the relative relevance of dispersal limitation and species sorting as drivers of
spatial turnover between spider faunas of European territories. Location Continental Europe …