Volume 21 Issue 1

Published: 2024-06-01

Contents


Research Paper
Performance of Some Yang and Chang estimators in Logistic Regression Model.

James Olasunkanmi Oladapo, k. Ayinde K. Ayinde

In logistic regression models, the maximum likelihood (ML) method is always one of the commonly used to estimate the model parameters. However, unstable parameter estimates are obtained as a result...

DOI: 10.33899/iqjoss.2024.183228

Pages: 1-11
The Implications of Discriminant Analysis Function in Classifying the Obesity of Childhood < 15 in Egypt “An Applied Study on the Data of EDHS 2015"

Mohamed Ahmed Elkhouli

In general, relatively few statistical studies have been published on the classification of obesity as a risk-based thinking in the childhood stage among the children <15 years old in Egypt....

DOI: 10.33899/iqjoss.2024.183229

Pages: 12-31
Robust Weighted Least Squares Method using different schemes of M-estimators (RWLSM), A comparative Study

Fatima M. Selevany, Bashar Al-Talib

In this research, it was reducing or excluding the effect of not satisfying the assumption of normal distribution of the data, due to the presence of types of outlying values in it when we wish to...

DOI: 10.33899/iqjoss.2024.183230

Pages: 32-45
Classification of Circular Mass of Breast Cancer Using Artificial Neural Network vs. Discriminant Analysis in Medical Image Processing

Karzan Faidhi Hamad, Bulent Celik, Rizgar Maghded Ahmed

In recent years, there has been a notable increase in interest regarding intelligent classification techniques rooted in Machine Learning within the domain of medical science. Specifically, machine...

DOI: 10.33899/iqjoss.2024.183231

Pages: 46-58
Reliability Estimation of the Lomax Distribution under Ranked Set Sampling (RSS) With Application

Ban Al ani, Musa Mohammed Musa

Sometimes the researcher faces a problem in obtaining data, or there may be difficulty in obtaining it due to cost, effort, or other reasons related to the time. In this case, sampling methods are...

DOI: 10.33899/iqjoss.2024.0183232

Pages: 59-75
A Parametric Regression Model using Power Chris-Jerry Distribution with Application to Censored Data

Christiana I. Ezeilo, Iheanyi S. Onyeagu, Uzoma E. Umeh

The interdependency of various areas of Statistics is gaining good attention in the literature. This is possible through innovations such as the log-transformation of distribution to a parametric...

DOI: 10.33899/iqjoss.2024.183249

Pages: 76-89
Estimating the Transitional Probabilities of the E.Coli Gene Chain by Maximum Likelihood Method and Bayes Method

Muthanna Subhi Sulaiman, Alaa Farhan Ahmed

The transition matrix estimators of the Markov chain are not accurate and the transition matrix is considered given. There are many methods that are used to estimate the transition probabilities...

DOI: 10.33899/iqjoss.2024.183250

Pages: 90-101
Improving generalized ridge estimator for the gamma regression model.

Avan Safar Elias Al-Saffar, Zakaria Y. Algamal

It has been consistently proven that the ridge estimator is an effective shrinking strategy for reducing the effects of multicollinearity. An effective model to use when the response variable is...

DOI: 10.33899/iqjoss.2024.183251

Pages: 102-111
Study of Alpha Power Weibull Distribution with Application

mudrka hussin Aljumaily, Hayfa Abdul Jawad Saieed

The Gull Alpha power transform (GAPT) is a family which introduces a single additional parameter to classical continuous probability distribution.The parameter increases the flexibility of...

DOI: 10.33899/iqjoss.2024.183252

Pages: 112-126
A Survey On E- Payment Systems

Shayma Shakeeb Mohammed, Yaseen Hikmat Ismael

significant impact on global trade in the modern era. This has given rise to a new industry known as "electronic commerce," or "E-commerce," which is the use of smart devices and the internet for...

DOI: 10.33899/iqjoss.2024.183253

Pages: 127-137
Estimating the Parameters of Mixture Gamma Distributions Using Maximum Likelihood and Bayesian Method

Nagham Ibrahim Abdulla Najm, Raya Salim Al_Rassam

This paper focuses on the mixture Gamma distribution and uses the maximum likelihood and Bayesian techniques to estimate its parameters. This study uses Expectation Maximization Algorithm (EM) to...

DOI: 10.33899/iqjoss.2024.183254

Pages: 138-150
Variable Selection In Logistic Regression Model Using Modified Firefly Algorithms

Heba Suleiman Dawood

Abstract: The logistic regression model is considered the most widely used in many applications, and it is one of the main models in the family of generalized linear models. Like other regression...

DOI: 10.33899/iqjoss.2024.183255

Pages: 151-159
Construction of the Daubechies Wavelet Chart for Quality Control of the Single Value

Sakar Ali Jalal, Dlshad Mahmood Saleh, Bekhal Samad Sedeeq, Taha Hussein Ali

In this paper, it was proposed to create a new quality control chart for the single value of the Daubechies wavelet to address the problem of data contamination before creating the single value...

DOI: 10.33899/iqjoss.2024.183257

Pages: 160-169
Classification of Diabetes Data Set from Iraq via Different Machine Learning Techniques

Dilshad Omar Altalabani, Fevzi Erdogan

Diabetes has become one of the most prevalent diseases in Iraq and is listed as one of the leading causes of death. Machine learning provides effective information extraction results by creating...

DOI: 10.33899/iqjoss.2024.183258

Pages: 170-189
Improved Mixed Estimator Using Two Auxiliary Variables For Full Extreme Maximum And Minimum Values In Single Phase Sampling

Timothy O. Olatayo, Peter N. Madu, Peter I. Ogunyinka

The use of multiple auxiliary variables has been established to improve precision in the estimators of ratio, regression and product respectively. However, the presence of extreme values in the...

DOI: 10.33899/iqjoss.2024.0183259

Pages: 190-210