About
About DergiPark
DergiPark Team
DergiPark DOI Service
Journals
Publishers
All
University
Government
TRH
Association
Foundation
Trade Association
Private
Person
Union
Researchers
Subjects
Journal Wizard
Help
Trends
English
Turkish
English
Admin Panel
User Panel
My Journals
My Research
My Followers
Profile
Logout
Login
Researchers
H. Hasan Örkcü
H. Hasan Örkcü
Prof. Dr.
Gazi University
Publication
26
Review
17
CrossRef Cited
5
26
Publication
17
Review
5
CrossRef Cited
Follow
Following
Edit My Profile
Followers
Following
Summary
Publications
Peer Review
Cited
Research Fields
Statistics
Statistical Data Science
Applied Statistics
Mathematical Optimisation
Institution
Gazi University
Publications
Energy Modeling of Türkiye Road and Rail Transport Towards Net Zero Emissions Target (2025-2050)
Authors:
Onur Dönmezçelik
,
Emre Koçak
,
H. Hasan Örkcü
Published: 2024 ,
Journal of Polytechnic
DOI: 10.2339/politeknik.1212520
FAVORITE
0
TOTAL DOWNLOAD COUNT
1225
0
FAVORITE
1225
TOTAL DOWNLOAD COUNT
The parameter estimation of the COVID-19 death based on the Gumbel distribution through the multi-objective programming: Turkey case
Authors:
Ecem Demir Yurtseven
,
Emre Koçak
,
H. Hasan Örkcü
Published: 2024 ,
Gazi University Journal of Science
DOI: 10.35378/gujs.1393264
FAVORITE
0
TOTAL DOWNLOAD COUNT
43
0
FAVORITE
43
TOTAL DOWNLOAD COUNT
Analysis of the Performance of METU Technoparks Firms with Data Envelopment Analysis
Authors:
H. Hasan Örkcü
, Özge Sevim
Published: 2023 ,
Journal of Polytechnic
DOI: 10.2339/politeknik.685005
FAVORITE
0
TOTAL DOWNLOAD COUNT
1053
0
FAVORITE
1053
TOTAL DOWNLOAD COUNT
Influence of Finishing Procedures on Surface Roughness and Biaxial Flexural Strength of High-translucent 4Y-PSZ, 5Y-PSZ, and 6Y-PSZ Monolithic Zirconia
Authors:
Gülsüm Doğru
,
Elif Demiralp
,
Emre Koçak
,
H. Hasan Örkcü
,
Prof. Dr. Cemal Aydın
,
Handan Yılmaz
Published: 2023 ,
Clinical and Experimental Health Sciences
DOI: 10.33808/clinexphealthsci.1073010
FAVORITE
0
TOTAL DOWNLOAD COUNT
529
0
FAVORITE
529
TOTAL DOWNLOAD COUNT
A multi-objective programming approach to Weibull parameter estimation
Authors:
Emre Koçak
,
Ecem Demir Yurtseven
,
H. Hasan Örkcü
Published: 2022 ,
Hacettepe Journal of Mathematics and Statistics
DOI: 10.15672/hujms.912435
FAVORITE
0
TOTAL DOWNLOAD COUNT
819
0
FAVORITE
819
TOTAL DOWNLOAD COUNT
Madde ömrü tahmininde çok amaçlı programlama tabanlı bir yaklaşım: Weibull dağılımı uygulaması
Authors:
Emre Koçak
,
H. Hasan Örkcü
Published: 2022 ,
Journal of the Faculty of Engineering and Architecture of Gazi University
DOI: 10.17341/gazimmfd.918607
FAVORITE
0
TOTAL DOWNLOAD COUNT
945
0
FAVORITE
945
TOTAL DOWNLOAD COUNT
Measuring the Efficiency of Turkish State Universities Based on a Two-Stage DEA Model
Authors:
Emre Koçak
,
H. Hasan Örkcü
Published: 2021 ,
Gazi University Journal of Science
DOI: 10.35378/gujs.801115
FAVORITE
0
TOTAL DOWNLOAD COUNT
591
0
FAVORITE
591
TOTAL DOWNLOAD COUNT
Parametre Tahmininde Farklı Doğrusal Programlama Modellerinin Karşılaştırılması
Authors: Emre Koçak,
H. Hasan Örkcü
Published: 2020 ,
Gazi Üniversitesi Fen Fakültesi Dergisi
DOI: 10.5281/zenodo.4317945
FAVORITE
0
TOTAL DOWNLOAD COUNT
453
0
FAVORITE
453
TOTAL DOWNLOAD COUNT
Karma-tamsayılı iki aşamalı veri zarflama analizi modeli ile en etkin tedarikçi seçimi
Authors:
Volkan Soner Özsoy
, Mediha Örkcü,
Hasan Örkcü
Published: 2020 ,
Pamukkale University Journal of Engineering Sciences
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
676
0
FAVORITE
676
TOTAL DOWNLOAD COUNT
Risk Premium For Dependent Risks Using Utility Copulas And Risk Aversion
Authors:
Kübra Durukan
,
Hasan Orkcu
,
Emel Kizilok Kara
Published: 2019 ,
Istatistik Journal of The Turkish Statistical Association
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
427
0
FAVORITE
427
TOTAL DOWNLOAD COUNT
Çok gruplu sınıflandırma problemlerine regresyon analizi ve matematiksel programlama tabanlı yeni bir yaklaşım
Authors:
Mustafa İsa Doğan
,
Abdullah Orman
,
Mediha Örkcü
,
H. Hasan Örkcü
Published: 2019 ,
Journal of the Faculty of Engineering and Architecture of Gazi University
DOI: 10.17341/gazimmfd.571643
FAVORITE
0
TOTAL DOWNLOAD COUNT
1295
0
FAVORITE
1295
TOTAL DOWNLOAD COUNT
Şehirlerin Suç Türlerine Göre İkili Kümeleme Yöntemi ile Gruplandırılması: Türkiye Örneği
Authors:
H. Hasan Örkcü
, Bülent Altunkaynak,
Ramazan Arslan
Published: 2018 ,
Süleyman Demirel University Journal of Natural and Applied Sciences
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
2442
0
FAVORITE
2442
TOTAL DOWNLOAD COUNT
A modified test for detecting influential decision-making units in data envelopment analysis
Authors:
İrmak Acarlar
,
Sinem Tuğba Şahin Tekin
,
H. Hasan Örkcü
Published: 2018 ,
Hacettepe Journal of Mathematics and Statistics
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
782
0
FAVORITE
782
TOTAL DOWNLOAD COUNT
CLUSTERING OF CRIMINALS ACCORDING TO THE TYPES OF MATERIAL CAUGHT IN SMUGGLING: BICLUSTERING METHOD
Authors:
Ramazan Arslan
,
Hacı Hasan Örkcü
,
Bülent Altunkaynak
Published: 2018 ,
International Journal of Economics and Administrative Studies
DOI: 10.18092/ulikidince.348119
FAVORITE
0
TOTAL DOWNLOAD COUNT
3102
0
FAVORITE
3102
TOTAL DOWNLOAD COUNT
CLUSTERING BY SECTORS ACCORDING TO THE TYPE OF FATAL ACCIDENTS IN TURKEY: THE BICLUSTERING METHOD
Authors:
Ahmet Kocatürk
,
Bülent Altunkaynak
,
Hacı Hasan Örkcü
Published: 2018 ,
International Journal of Economics and Administrative Studies
DOI: 10.18092/ulikidince.348053
FAVORITE
0
TOTAL DOWNLOAD COUNT
3046
0
FAVORITE
3046
TOTAL DOWNLOAD COUNT
Ranking decision making units with the integration of the multi-dimensional scaling algorithm into PCA-DEA
Authors:
Mehmet Guray Unsal
,
H. Hasan Orkcu
Published: 2017 ,
Hacettepe Journal of Mathematics and Statistics
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
634
0
FAVORITE
634
TOTAL DOWNLOAD COUNT
ESTIMATING THE PARAMETERS OF NONLINEAR REGRESSION MODELS THROUGH PARTICLE SWARM OPTIMIZATION
Authors:
Volkan Soner Özsoy
,
H.Hasan Örkçü
Published: 2016 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
5648
0
FAVORITE
5648
TOTAL DOWNLOAD COUNT
Veri Zarflama Analizi Tabanlı Yeni Bir Hibrid İki Gruplu Sınıflandırma Modeli
Authors:
H. Hasan Örkcü
,
Mustafa İsa Doğan
Published: 2015 ,
Süleyman Demirel University Journal of Natural and Applied Sciences
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1224
0
FAVORITE
1224
TOTAL DOWNLOAD COUNT
DATA ENVELOPMENT ANALYSIS CROSS EFFICIENCY EVALUATION APPROACH TO THE TECHNOLOGY SELECTION
Authors:
H.hasan Örkcü
,
Mediha Örkcü
Published: 2015 ,
Gazi University Journal of Science Part A: Engineering and Innovation
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1067
0
FAVORITE
1067
TOTAL DOWNLOAD COUNT
A Hybrid Applied Optimization Algorithm for Training Multi-Layer Neural Networks in Data Classification
Authors:
H. Hasan Örkçü
,
Mustafa Doğan
,
Mediha Örkçü
Published: 2015 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1414
0
FAVORITE
1414
TOTAL DOWNLOAD COUNT
A New Approach To Cross Efficiency In Data Envelopment Analysis and Performance Evaluation of Turkey Cities
Authors:
H.hasan Örkcü
, Hasan Bal
Published: 2012 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
690
0
FAVORITE
690
TOTAL DOWNLOAD COUNT
A COMBINING MATHEMATICAL PROGRAMMING METHOD FOR
Authors:
H.hasan Örkcü
,
Hasan Bal
Published: 2011 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
886
0
FAVORITE
886
TOTAL DOWNLOAD COUNT
COMBINING THE DISCRIMINANT ANALYSIS AND THE DATA ENVELOPMENT ANALYSIS IN VIEW OF MULTIPLE CRITERIA DECISION MAKING: A NEW MODEL
Authors: Hasan Bal,
H. Hasan Örkçü
Published: 2010 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1138
0
FAVORITE
1138
TOTAL DOWNLOAD COUNT
The Comparison of Principal Component Analysis and Data Envelopment Analysis in Ranking of Decision Making Units
Authors: Filiz Kardıyen,
H.hasan Örkcü
Published: 2010 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1420
0
FAVORITE
1420
TOTAL DOWNLOAD COUNT
A Goal Programming Approach to Weight Dispersion in Data Envelopment Analysis
Authors: Hasan Bal,
H. Hasan Örkçü
Published: 2010 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1599
0
FAVORITE
1599
TOTAL DOWNLOAD COUNT
An Alternative Model to Fisher and LinearProgramming Approaches in Two-Group Classification Problem: Minimizing Deviations from the Group Median (Review)
Authors: Hasan Bal,
H.hasan Örkcü
, Salih Çelebioğlu
Published: 2010 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
902
0
FAVORITE
902
TOTAL DOWNLOAD COUNT
Articles published in
Clinical and Experimental Health Sciences
Gazi University Journal of Science
Gazi University Journal of Science Part A: Engineering and Innovation
Gazi Üniversitesi Fen Fakültesi Dergisi
Hacettepe Journal of Mathematics and Statistics
International Journal of Economics and Administrative Studies
Istatistik Journal of The Turkish Statistical Association
Journal of Polytechnic
Journal of the Faculty of Engineering and Architecture of Gazi University
Pamukkale University Journal of Engineering Sciences
Süleyman Demirel University Journal of Natural and Applied Sciences
Editorship
Gazi University Journal of Science
Section Editor
Gazi Üniversitesi Fen Fakültesi Dergisi
Section Editor
Hacettepe Journal of Mathematics and Statistics
Section Editor
Editorial Board Memberships
Gazi University Journal of Science
Gazi Üniversitesi Fen Fakültesi Dergisi
Reviews
Ankara Hacı Bayram Veli University Journal of the Faculty of Economics and Administrative Sciences
Duzce University Journal of Science and Technology
Erciyes University Journal of Faculty of Economics and Administrative Sciences
Eskişehir Technical University Journal of Science and Technology A - Applied Sciences and Engineering
Gazi University Journal of Science
Gazi Üniversitesi Fen Fakültesi Dergisi
Hacettepe Journal of Mathematics and Statistics
Journal of Polytechnic
Journal of Productivity
Journal of the Faculty of Engineering and Architecture of Gazi University
Journal of Turkish Operations Management
Publications
Energy Modeling of Türkiye Road and Rail Transport Towards Net Zero Emissions Target (2025-2050)
Authors:
Onur Dönmezçelik
,
Emre Koçak
,
H. Hasan Örkcü
Published: 2024 ,
Journal of Polytechnic
DOI: 10.2339/politeknik.1212520
CITED
3
FAVORITE
0
TOTAL DOWNLOAD COUNT
1225
3
CITED
0
FAVORITE
1225
TOTAL DOWNLOAD COUNT
CLUSTERING OF CRIMINALS ACCORDING TO THE TYPES OF MATERIAL CAUGHT IN SMUGGLING: BICLUSTERING METHOD
Authors:
Ramazan Arslan
,
Hacı Hasan Örkcü
,
Bülent Altunkaynak
Published: 2018 ,
International Journal of Economics and Administrative Studies
DOI: 10.18092/ulikidince.348119
CITED
1
FAVORITE
0
TOTAL DOWNLOAD COUNT
3102
1
CITED
0
FAVORITE
3102
TOTAL DOWNLOAD COUNT
Veri Zarflama Analizi Tabanlı Yeni Bir Hibrid İki Gruplu Sınıflandırma Modeli
Authors:
H. Hasan Örkcü
,
Mustafa İsa Doğan
Published: 2015 ,
Süleyman Demirel University Journal of Natural and Applied Sciences
DOI: -
CITED
1
FAVORITE
0
TOTAL DOWNLOAD COUNT
1224
1
CITED
0
FAVORITE
1224
TOTAL DOWNLOAD COUNT
Interactive Guide Tool
If you want to see the panel introduction, you can click Start Tour.
Start Tour