On a partial least squares regression model for asymmetric data with a chemical application in mining

M Huerta, V Leiva, S Liu, M Rodríguez… - … and Intelligent Laboratory …, 2019 - Elsevier
In chemometrical applications, covariates in regression models are often correlated, causing
a collinearity problem that can be solved by partial least squares (PLS) regression. In …

Log‐symmetric regression models: information criteria and application to movie business and industry data with economic implications

M Ventura, H Saulo, V Leiva… - … Stochastic Models in …, 2019 - Wiley Online Library
This work deals with log‐symmetric regression models, which are particularly useful when
the response variable is continuous, strictly positive, and following an asymmetric …

PLS1-MD: A partial least squares regression algorithm for solving missing data problems

V González, R Giraldo, V Leiva - Chemometrics and Intelligent Laboratory …, 2023 - Elsevier
In this article, we propose a methodology that modifies the partial least squares (PLS)
regression algorithm. Certain steps of the algorithm are adjusted to address the estimation …

Estimating the covariance matrix of the coefficient estimator in multivariate partial least squares regression with chemical applications

JL Martínez, V Leiva, H Saulo, S Liu - Chemometrics and Intelligent …, 2021 - Elsevier
The partial least squares (PLS) regression is a statistical learning technique that solves
collinearity and/or high-dimensionality in the space of covariates. In this paper, we propose …

Machine learning methods in drug design

GC Veríssimo, J de Castro Gertrudes… - … , QSAR and Machine …, 2023 - Elsevier
The drug design process has been evolving since its existence, and several knowledge
fields have contributed to the discovery and development of novel drugs. The emergence of …

A minimum matrix valued risk estimator combining restricted and ordinary least squares estimators

B Mirezi, S Kaçıranlar, N Özbay - Communications in Statistics …, 2023 - Taylor & Francis
Full article: A minimum matrix valued risk estimator combining restricted and ordinary least
squares estimators Skip to Main Content Taylor and Francis Online homepage Browse Search …

Comparison of Liu and two parameter principal component estimator to combat multicollinearity

S Kaçıranlar, N Özbay, E Özkan… - … Practice and Experience, 2022 - Wiley Online Library
Biased estimation methods like ridge regression, Liu‐type regression, two‐parameter
regression and principal component regression have become very popular in the analysis of …

Modified almost unbiased two-parameter estimator in linear regression model

AF Lukman, E Adewuyi, N Oladejo… - IOP Conference Series …, 2019 - iopscience.iop.org
Wu and Yang [1] proposed an almost unbiased two-parameter estimator as an alternative to
the ordinary least squares estimator (OLSE) in a multicollinear regression model. We …

Partial least squares models and their formulations, diagnostics and applications to spectroscopy

M Huerta, V Leiva, C Marchant, M Rodríguez - Proceedings of the …, 2020 - Springer
Partial least squares (PLS) models are a multivariate technique developed to solve the
problem of multicollinearity and/or high dimensionality related to explanatory variables in …