Volume 18 Issue 1
Published: 2021-06-01
Contents
Research Paper
Robust Weighted Approaches to Detect and Deal with Outliers in Estimating Principal Component Regression Model.
Bashar AL-Talib, Esraa Najeeb Alsaraf
This paper aims to propose an approach to deal with the problem of Multi-Collinearity between the explanatory variables and outliers in the data by using the method of Principal Component...
DOI: 10.33899/iqjoss.2021.0168371
Output Error Dynamic Models Identification and Transfer Function - A comparative study -
Heyam Abdel Majeed Hayawi, Sarah Muwaffaq Abdel Qader
In this research, the transfer function models were diagnosed based on seasonal data represented by solar brightness as inputs and temperatures as outputs, where a double seasonal model was...
DOI: 10.33899/iqjoss.2021.0168372
Identification State Space models and some Time Series models
Zeina Assem, Heyam Abdel Majeed Hayawi
AbstractIn this research, a comparison of the identification process for time series models represented by ARIMA models was studied by identification several models and choosing the best model...
DOI: 10.33899/iqjoss.2021.0168374
On Pareto Set for a Bi-criterion Scheduling Problem Under Fuzziness.
Ayad Ramadan
In this paper a bi-criterion fuzzy scheduling problem was presented and the problem under consideration is total fuzzy completion time and maximum earliness, where the processing times and the due...
DOI: 10.33899/iqjoss.2021.0168375
ODED Outlier Detection in Educational Data
Ammar Thaher Yaseen Al Abd Alazeez
Clustering data streams is one of the prominent tasks of discovering hidden patterns in data streams. It refers to the process of clustering newly arrived data into continuously and dynamically...
DOI: 10.33899/iqjoss.2021.0168376
Beta Control Chart for Monitoring Proportions With Application.
Aseel Abed Al-Kareem, Khalida Mohammed
In this paper we use a beta Chart to monitor fracture data. The beta Chart displays its control limits based on the beta probability distribution. This Chart was applied to a data set of...
DOI: 10.33899/iqjoss.2021.0168379
Using fuzzy dynamic programming in finding the best solution for sales for Badoush cement factory stores.
Ahmed Jalal, Zena Yahya
Dynamic programming is considered one of the most appropriate ways to manage storage systems because of the random and linear nature of these systems, so that it is difficult to reach the optimal...
DOI: 10.33899/iqjoss.2021.0168380
Employing Robust MM-estimators in Estimating Principal Component Regression Model - A Comparative Study-
Esraa Alsaraf, Bashar A. AL-TALIB
This paper focuses on proposing the use of robust MM estimators in estimating the parameters of the principal component regression model, which is usually used in estimating the regression model...
DOI: 10.33899/iqjoss.1970.0170002
Using the linear and non-linear discriminant function with cluster analysis to study the level of education for the completed stages (governmental – private) In Nineveh Governorate
Zainab Adel, Safwan Rashed
Abstract:The basic idea of this research is to study the influential variables that led to the differences between the performance of public and private schools, and through the use of some linear...
DOI: 10.33899/iqjoss.2021.0168377
