A new two-parameter estimator for beta regression model: method, simulation, and application

MR Abonazel, ZY Algamal, FA Awwad… - Frontiers in Applied …, 2022 - frontiersin.org
The beta regression is a widely known statistical model when the response (or the
dependent) variable has the form of fractions or percentages. In most of the situations in beta …

Developing a Liu‐type estimator in beta regression model

ZY Algamal, MR Abonazel - Concurrency and Computation …, 2022 - Wiley Online Library
The beta regression model is a commonly used when the response variable has the form of
fractions or percentages. The maximum likelihood (ML) estimator is used to estimate the …

A new Liu-type estimator for the inverse Gaussian regression model

MN Akram, M Amin, M Qasim - Journal of Statistical Computation …, 2020 - Taylor & Francis
ABSTRACT The Inverse Gaussian Regression Model (IGRM) is used when the response
variable is positively skewed and follows the inverse Gaussian distribution. In this article, we …

Liu-type multinomial logistic estimator

MR Abonazel, RA Farghali - Sankhya B, 2019 - Springer
Multicollinearity in multinomial logistic regression affects negatively on the variance of the
maximum likelihood estimator. That leads to inflated confidence intervals and theoretically …

[图书][B] Rank-based methods for shrinkage and selection: With application to machine learning

AKME Saleh, M Arashi, RA Saleh, M Norouzirad - 2022 - books.google.com
Rank-Based Methods for Shrinkage and Selection A practical and hands-on guide to the
theory and methodology of statistical estimation based on rank Robust statistics is an …

A new class of Poisson Ridge-type estimator

E Ertan, KU Akay - Scientific Reports, 2023 - nature.com
Abstract The Poisson Regression Model (PRM) is one of the benchmark models when
analyzing the count data. The Maximum Likelihood Estimator (MLE) is used to estimate the …

Modified ridge estimator in the Bell regression model

YM Bulut, AF Lukman, M Işılar, ET Adewuyi… - Journal of Inverse and …, 2024 - degruyter.com
The Bell regression model (BRM), a member of the generalized linear models (GLMs), can
be used when the dependent variable consists of overdispersed count data. The maximum …

A new Liu-type estimator in binary logistic regression models

E Ertan, KU Akay - Communications in Statistics-Theory and …, 2022 - Taylor & Francis
In logistic regression models, the maximum likelihood method is commonly used to estimate
the model parameters. However, unstable parameter estimates are obtained as a result of …

A new improved Liu-type estimator for Poisson regression models

KU Akay, E Ertan - Hacettepe Journal of Mathematics and Statistics, 2022 - dergipark.org.tr
The Poisson Regression Model (PRM) is commonly used in applied sciences such as
economics and the social sciences when analyzing the count data. The maximum likelihood …

Weighted ridge and Liu estimators for linear regression model

I Babar, S Chand - Concurrency and Computation: Practice …, 2022 - Wiley Online Library
In linear regression model, ridge regression and two‐parameter Liu estimator (LE) are the
most widely used methods in recent decade to overcome the problem of multicollinearity …