Preferred Language
Details
Publication Date
Sat Sep 01 2018
Journal Name
مجلة الأستاذ
Volume
2
Issue Number
226
Choose Citation Style
Statistics
View publication
7
View original publication
1
Statistics
Articles
/
VRcNHI0BVTCNdQwCFxEM
تباين نسبة الاعالة في محافظة بغداد وعلاقتها بالمتغيرات الاجتماعية للسكان لعام 2016
التباين
الاعالة
محافظة بغداد
المتغيرات الاجتماعية
السكان .
Nada najeeb salman
...Show More Authors

The subject of population support is one of the most important topics in the geography of the population as it shows the amount of burden on the workforce in society and reflects the balance or

View Publication
Related publications
Publication Date
Sat Dec 01 2018
Journal Name
Journal Of Economics And Administrative Sciences
Comparison Between Ordinary Methods (LS,IV) and Robust Methods (2SWLS,LTS,RA) to estimate the Parameters of ARX(1,1,1) Model for Electric Loads
أنموذج الانحدار الذاتي بوجود متغير خارجي (ARX)
الكشف عن القيم الشاذة
طريقة المربعات الصغرى الاعتيادية (OLS)
طريقة المتغيرات المساعدة ذات الخطوات الاربعة (4SIV)
طريقة المربعات الصغرى الموزونة ذات المرحلتين (2SWLS)
طريقة المربعات الصغرى المشذبة (LTS)
مقدرات التباينات الذاتية للبواقي(RA).
(ARX)
The Outliers Detection
Ordinary Least Squares Method
Four-Step Instrumental Variables Method
Two-Stage Weighted Least Squares Method
Least Trimmed Squares Method
Residual Auto-covariances Estimators.
فراس احمد
زينب حامد
...Show More Authors

 

Abstract:

The models of time series often suffer from the problem of the existence of outliers ​​that accompany the data collection process for many reasons, their existence may have a significant impact on the estimation of the parameters of the studied model. Access to highly efficient estimators  is one of the most important stages of statistical analysis, And it is therefore important to choose the appropriate methods to obtain good  estimators. The aim of this research is to compare the ordinary estimators and the robust estimators of the estimation of the parameters of

... Show More
View Publication Preview PDF
Crossref