Comparison of Semiparametric Models in the Presence of Noise and Outliers

DE Wormenor, S Twumasi-Ankrah… - Journal of Applied …, 2025 - Wiley Online Library
Various studies have examined generalized additive models (GAMs), comparing thin plate
splines (tp), P‐splines (ps), cubic regression splines (cr), and Gaussian processes (gp) for …

[PDF][PDF] ISSN 2222-2995 Universityof Kirkuk Journal For Administrative and Economic Science

JH Ali, OA Muhammad, DH Saud - Decision-Making, 2024 - iasj.net
It has played a prominent digital role in the global economy, and Iraq seeks to keep pace
with the transformations and developments in the global digital economy. The research aims …

[PDF][PDF] Ordinary least squares and robust estimators in linear regression: Impacts of outliers, error and response contaminations

D Adedia, A Adebanji, M Labeodan… - British Journal of …, 2015 - academia.edu
Abstract The Ordinary Least Squares Estimator (OLSE) is the best method for linear
regression if the classical assumptions are satisfied for estimating weights. When these …

Robustness of the Quadratic Discriminant Function to correlated and uncorrelated normal training samples

A Adebanji, M Asamoah-Boaheng, O Osei-Tutu - SpringerPlus, 2016 - Springer
This study investigates the asymptotic performance of the Quadratic Discriminant Function
(QDF) under correlated and uncorrelated normal training samples. This paper specifically …

[PDF][PDF] Leverages, outliers and the performance of robust regression estimators

D Adedia, A Adebanji, E Okyere… - British Journal of …, 2016 - academia.edu
This study compared the performance of some robust regression methods and the Ordinary
Least Squares Estimator (OLSE). The estimators were compared using varied levels of …

[PDF][PDF] ISSN 2222-2995 Universityof Kirkuk Journal For Administrative and Economic Science

A Sozan, SSH Ali - iasj.net
Regression analysis is indeed a statistical technique used to model the relationship
between a dependent variable (response variable) and one or more independent variables …

[PDF][PDF] Leverage effects on robust regression estimators

D Adedia, A Adebanji, SK Appiah - 2016 - researchgate.net
In this study, we assess the performance of some robust regression methods. These are the
least-trimmed squares estimator (LTSE), Huber maximum likelihood estimator (HME), S …

Gürültü giderici oto-kodlayıcı kullanarak eksik değerlerin tamamlanması

MH Asghar - 2020 - acikerisim.selcuk.edu.tr
Özet Eksik değerlerin varlığı, veri analizinde yaygın bir sorundur. Veri kaybı, eksiksiz veri
gerektiren aşağı akış analizini engelleyebilmektedir. Bu eksiklik, ya verilere eksik durumları …

Comparative analysis of the effect of transformation techniques on some robust regression measures

FA Soku - 2016 - ir.knust.edu.gh
When the distribution of the errors in a linear model is normal, the OLSE pro-vides reliable
parameter estimates for the linear model. When errors deviate from normality, the OLS …