Volume 22 Issue 1
Published: 2025-06-01
Contents
Research Paper
Using Wavelets to Identify Linear Dynamic Models
Youns M. Th. Al.Obeady, Heyam Abd Al-Majeed Hayawi, Mohamed Ahmed Elkhouli
The forecasting process of water cleaning in the city of Mosul was studied using the input and output variables represented by some tests performed on raw water before the filtration process, to be...
DOI: 10.33899/iqjoss.2025.187731
Parallel Algorithm for Calculating the Integration
Ehab abdulrazak Alasadi
Analysis and implementation of a parallel algorithm to calculate the integration of the function y=1/e to the x with a specified time interval. Design and implementation using C/C++ is based on the...
DOI: 10.33899/iqjoss.2025.187732
Nonparametric Estimation Method for the Distribution Function Using Various Types of Ranked Set Sampling
Ramy Saad Ghareeb, Rikan Abd AL Azeez AL khalidi
The purpose of this research is to estimate the cumulative distribution function using the local polynomial regression and compare it to parameter estimation using the method of moments and the...
DOI: 10.33899/iqjoss.2025.187752
g_*^*-I-Closed Sets and Their Properties in in Ideal Topological Space
Rughzai Shwan Mahamood, Darwesh Halgwrd Mohammed
There are many research papers that deal with different types of generalized closed sets. Levine [4] introduced generalized closed (briefly, -closed) sets and studied their basic properties and...
DOI: 10.33899/iqjoss.2025.187753
A Comparative Study of K-means Clustering Algorithms Using Euclidean and Manhattan Distance for Climate Data.
Bakhshan Ahmed Hamad
The K-means clustering algorithms (Random, K-means++, Canopy, and Farthest First) are unsupervised machine learning techniques designed to group data points based on their similarities. The study...
DOI: 10.33899/iqjoss.2025.187754
Determining Climate Extremes of Mosul Weather Using Robust Noise Clustering Strategy.
Marwan Moysar AL-Hyali, Bashar A. AL-Talib
The paper aims to analyse the climatic data of the city of Mosul during the summer season from 2013 to 2022, focusing on the maximum temperature variable. Modern methods have been used to detect...
DOI: 10.33899/iqjoss.2025.187755
Using the State Space Model based on ARIMA Model for Air Temperature Forecasting.
Suha Saleem Mahjoob, Osamah Basheer Shukur
The high accuracy of forecasts with the temperature data is very important to control environmental damages such as desertification and water resources drought as well as it is important to control...
DOI: 10.33899/iqjoss.2025.187756
Estimating Outliers Using the Iterative Method in Partial Least Squares Regression Analysis for Linear Models.
Taha H Ali, Mahammad Mahmoud Bazid
Outliers affect the accuracy of the estimated parameters of the partial least squares regression model and give unacceptably large residual values. Traditional robust methods (used in ordinary...
DOI: 10.33899/iqjoss.2025.187757
Comparison of Estimation Methods for the Parameters of the Frechet Distribution - using Simulation.
Ahmed Husham Mohammed, Montadher Jumaa Mahdi
Probability distributions are mathematical functions that describe the likelihood of different outcomes in random process estimates for the scale parameters and the shape parameter according to the...
DOI: 10.33899/iqjoss.2025.187758
Group Variable Selection Methods with Quantile Regression: A Simulation Study.
Hussein A. Hashem
In many cases, covariates have a grouping structure that can be used in the analysis to identify important groups and the significant members of those groups. This paper reviews some group variable...
DOI: 10.33899/iqjoss.2025.187759
Proposed Quality Control Charts Using Haar Wavelet Coefficients for Enhanced Production Monitoring
Taha H Ali, Sarah Bahrooz Ameen
One main problem of the traditional quality control charts, such as the Individual Observations Chart and the Moving Average Chart, is that they do not focus on monitoring the differences in the...
DOI: 10.33899/iqjoss.2025.187765
Estimation of Delay Time in Linear Dynamic Systems Using Wavelets
Heyam A.A Hayawi, Reem Talal Taha, Mohamed Ahmed Elkhouli
This research explores the use of wavelets in estimating delay time in stochastic linear dynamic systems, as delay time plays a crucial role in diagnosing the system by determining the time...
DOI: 10.33899/iqjoss.2025.187788
Comparison between Logistic Regression and K-Nearest Neighbour Techniques with Application on Thalassemia Patients in Mosul
Mohammed Faris Al jbory, Hutheyfa Hazam Taha
Thalassemia is a genetic disease that is transmitted from parents to children when both parents are carriers of the genetic mutation. This change leads to a decrease in the number, quality, and...
DOI: 10.33899/iqjoss.2025.187789
Data Envelopment Analysis Models to Measure the Relative and Scale Efficiency of Educational Institutions (Tikrit University as A Model)
Omar Ibrahem AL-Sultany, Oday Abdulrahman Jarjies
The research dealt with measuring the relative efficiency and scale efficiency of the colleges of Tikrit University for the academic year (2019-2020) using the data envelope analysis (DEA) method,...
DOI: 10.33899/iqjoss.2025.187791
Bayesian Time Series Modelling with Wavelet Analysis for Forecasting Monthly Inflation
Taha H Ali, Heyam A.A Hayawi, Hunar Adam Hamza
This article treats data noise and outliers in Bayesian ARIMA models through wavelet analysis. Apply the discrete wavelet transformation using Daubechies and Symlets wavelets for orders 10 and 15...
DOI: 10.33899/iqjoss.2025.187792
