avatar
Hacı Hasan Örkcü Prof. Dr. GAZI UNIVERSITY
Publication 28 Review 21 CrossRef Cited 12
28 Publication
21 Review
12 CrossRef Cited

Research Fields

Classification Algorithms Statistical Analysis Statistical Data Science Operation Statistics (Other) Mathematical Optimisation

Institution

GAZI UNIVERSITY

Publications

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 336

0

336

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 2151

0

2151

Particle swarm optimization based feature selection using factorial design
Authors: Emre Koçak , H. Hasan Örkcü
Published: 2024 , Hacettepe Journal of Mathematics and Statistics
DOI: 10.15672/hujms.1346686
FAVORITE 0 TOTAL DOWNLOAD COUNT 576

0

576

Modeling of wind speed using differential evolution: Istanbul case
Authors: Emre Koçak , Volkan Soner Özsoy , H. Hasan Örkcü
Published: 2024 , Sigma Journal of Engineering and Natural Sciences
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 207

0

207

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 1349

0

1349

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 812

0

812

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 957

0

957

Madde ömrü tahmininde çok amaçlı programlama tabanlı bir yaklaşım: Weibull dağılımı uygulaması
Authors: Emre Koçak , H. Hasan Örkcü
Published: 2022 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.918607
FAVORITE 0 TOTAL DOWNLOAD COUNT 1066

0

1066

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 729

0

729

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 620

0

620

Karma-tamsayılı iki aşamalı veri zarflama analizi modeli ile en etkin tedarikçi seçimi
Authors: Volkan Soner Özsoy , Mediha Örkcü, Hasan Örkcü
Published: 2020 , Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 800

0

800

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 525

0

525

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 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.571643
FAVORITE 0 TOTAL DOWNLOAD COUNT 1490

0

1490

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 2696

0

2696

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 924

0

924

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 3249

0

3249

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 3164

0

3164

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 737

0

737

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 6342

0

6342

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 1345

0

1345

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 1157

0

1157

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 1500

0

1500

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 795

0

795

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 962

0

962

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 1246

0

1246

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 1699

0

1699

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 1748

0

1748

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 1002

0

1002

Articles published in
Clinical and Experimental Health Sciences
Clinical and Experimental Health Sciences
Gazi University Journal of Science
Gazi University Journal of Science
Gazi University Journal of Science Part A: Engineering and Innovation
Gazi University Journal of Science Part A: Engineering and Innovation
Gazi Üniversitesi Fen Fakültesi Dergisi
Gazi Üniversitesi Fen Fakültesi Dergisi
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Hacettepe Journal of Mathematics and Statistics
Hacettepe Journal of Mathematics and Statistics
International Journal of Economics and Administrative Studies
International Journal of Economics and Administrative Studies
Istatistik Journal of The Turkish Statistical Association
Istatistik Journal of The Turkish Statistical Association
Journal of Polytechnic
Journal of Polytechnic
Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi
Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi
Sigma Journal of Engineering and Natural Sciences
Sigma Journal of Engineering and Natural Sciences
Süleyman Demirel University Journal of Natural and Applied Sciences
Süleyman Demirel University Journal of Natural and Applied Sciences
Editorship
Gazi University Journal of Science
Gazi University Journal of Science
Section Editor
Gazi Üniversitesi Fen Fakültesi Dergisi
Gazi Üniversitesi Fen Fakültesi Dergisi
Section Editor
Hacettepe Journal of Mathematics and Statistics
Hacettepe Journal of Mathematics and Statistics
Section Editor
Editorial Board Memberships
Gazi University Journal of Science
Gazi University Journal of Science
Gazi Üniversitesi Fen Fakültesi Dergisi
Gazi Üniversitesi Fen Fakültesi Dergisi
Journal of Statistics and Applied Sciences
Journal of Statistics and Applied Sciences

Reviews

Ankara Hacı Bayram Veli University Journal of the Faculty of Economics and Administrative Sciences
Ankara Hacı Bayram Veli University Journal of the Faculty of Economics and Administrative Sciences
Duzce University Journal of Science and Technology
Duzce University Journal of Science and Technology
Erciyes University Journal of Faculty of Economics and Administrative Sciences
Erciyes University Journal of Faculty of Economics and Administrative Sciences
Eskişehir Technical University Journal of Science and Technology A - Applied Sciences and Engineering
Eskişehir Technical University Journal of Science and Technology A - Applied Sciences and Engineering
Gazi University Journal of Science
Gazi University Journal of Science
Gazi Üniversitesi Fen Fakültesi Dergisi
Gazi Üniversitesi Fen Fakültesi Dergisi
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Hacettepe Journal of Mathematics and Statistics
Hacettepe Journal of Mathematics and Statistics
Journal of Polytechnic
Journal of Polytechnic
Journal of Productivity
Journal of Productivity
Journal of Turkish Operations Management
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 4 FAVORITE 0 TOTAL DOWNLOAD COUNT 2151

4

0

2151

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
CITED 1 FAVORITE 0 TOTAL DOWNLOAD COUNT 1349

1

0

1349

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
CITED 1 FAVORITE 0 TOTAL DOWNLOAD COUNT 812

1

0

812

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
CITED 3 FAVORITE 0 TOTAL DOWNLOAD COUNT 729

3

0

729

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 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.571643
CITED 1 FAVORITE 0 TOTAL DOWNLOAD COUNT 1490

1

0

1490

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 3249

1

0

3249

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 1345

1

0

1345

Popular Publications: It is determined automatically by the researchers doing research in DergiPark according to the statistics of being added to the favorites. CrossRef Cited: The citations shown in DergiPark are drawn from CrossRef. For this, the cited and cited articles must be registered in CrossRef (DOI number). ^: Citation numbers are reflected in the system by DergiPark at certain periods. : Click to get information about the DergiPark User Badge.
Interactive Guide Tool
If you want to see the panel introduction, you can click Start Tour.