Prof. TUĞBA ÖZKAL


Fen Fakültesi, İstatistik Bölümü

İstatistik Teorisi Ana Bilim Dalı


WoS Research Areas: Natural Sciences (Sci)

Avesis Research Areas: Natural Sciences

Names in Publications: OzkalYildiz Tugba, Ozkal Tugba

Email: tugba.ozkal[at]deu.edu.tr
Office: 02323018603

Metrics

Publication

54

Publication (WoS)

11

Publication (Scopus)

11

Citation (WoS)

46

H-Index (WoS)

4

Citation (Scopus)

56

H-Index (Scopus)

5

Citation (Scholar)

134

H-Index (Scholar)

6

Citation (TrDizin)

1

H-Index (TrDizin)

1

Citation (Sobiad)

197

H-Index (Sobiad)

5

Citation (Sum Other)

13

Project

2

Thesis Advisory

9

Open Access

8
UN Sustainable Development Goals

Education

2004 - 2007

2004 - 2007

Doctorate

Dokuz Eylul University, Fen Bilimleri Enstitüsü, İstatistik (Dr), Turkey

2001 - 2003

2001 - 2003

Postgraduate

Dokuz Eylul University, Fen Bilimleri Enstitüsü, İstatistik (Yl) (Tezli), Turkey

1996 - 2001

1996 - 2001

Undergraduate

Dokuz Eylul University, Fen Fakültesi, İstatistik Bölümü, Turkey

Dissertations

2007

2007

Doctorate

Progressively type II censored order statistics, distributions, characterizations and concomitants

Dokuz Eylul University, Fen Bilimleri Enstitüsü, İstatistik (Dr)

2003

2003

Postgraduate

Capacitated transportation problems and an application

Dokuz Eylul University, Fen Bilimleri Enstitüsü, İstatistik (Yl) (Tezli)

Foreign Languages

B2 Upper Intermediate

B2 Upper Intermediate

English

Research Areas

Avesis Research Areas: Natural Sciences
WoS Research Areas: Natural Sciences (Sci)

Research Areas Based on Academic Activities

Avesis Research Areas

    WoS Research Areas

      Scopus Research Areas

        Academic Positions

        2023 - Present

        2023 - Present

        Professor

        Dokuz Eylul University, Fen Fakültesi, İstatistik Bölümü

        Managerial Experience

        2020 - Present

        2020 - Present

        Member of Unit Quality Commission

        Dokuz Eylul University, Fen Fakültesi, İstatistik Bölümü

        2014 - Present

        2014 - Present

        Farabi Program Institutional Coordinator

        Dokuz Eylul University

        2024 - 2027

        2024 - 2027

        Faculty Board Member

        Dokuz Eylul University, Fen Fakültesi

        2024 - 2026

        2024 - 2026

        Head of Department

        Dokuz Eylul University, Fen Fakültesi, İstatistik Bölümü

        2022 - 2022

        2022 - 2022

        Head of Department

        Dokuz Eylul University, Fen Fakültesi, İstatistik Bölümü

        2022 - 2022

        2022 - 2022

        Faculty Board Member

        Dokuz Eylul University, Fen Fakültesi

        2021 - 2022

        2021 - 2022

        Deputy Head of Department

        Dokuz Eylul University, Fen Fakültesi, İstatistik Bölümü

        2018 - 2019

        2018 - 2019

        Deputy Head of Department

        Dokuz Eylul University, Fen Fakültesi, İstatistik Bölümü

        Courses

        Postgraduate

        Postgraduate

        Veri Biliminde Olasılık ve İstatistik

        Veri Biliminde Olasılık ve İstatistik

        Ordered Random Variables

        M.SC. RESEARCH

        M.SC. SEMINAR

        M.SC. THESIS

        Undergraduate

        Undergraduate

        Probleme Dayalı Öğrenme I

        Statistical Inference

        Statistics

        Mathematical Statistics

        Probleme Dayalı Öğrenme II

        BİTİRME PROJESİ

        Statistics I

        PROBLEME DAYALI ÖĞRENME I

        Olasılık Teorisi ve İstatistik I

        PROBABILITY AND STATISTICS II

        PROBLEME DAYALI ÖĞRENME II

        PROBABILITY AND STATISTICS I

        PROBLEME DAYALI ÖĞRENME I (İ.Ö)

        PROBABILITY AND STATISTICS I (İ.Ö)

        PROBLEME DAYALI ÖĞRENME II (İ.Ö)

        PROBABILITY AND STATISTICS II (İ.Ö)

        ORDER STATISTICS AND ITS APPLICATIONS

        PROBLEME DAYALI ÖĞRENME IV (İ.Ö)

        PROBLEME DAYALI ÖĞRENME III (İ.Ö)

        KATEGORİK VERİ ÇÖZÜMLEMESİ (İ.Ö)

        KATEGORİK VERİ ÇÖZÜMLEMESİ

        Articles

        All (20)
        SCI-E, SSCI, AHCI (10)
        SCI-E, SSCI, AHCI, ESCI (11)
        ESCI (1)
        Scopus (11)
        TRDizin (6)
        Other Publications (4)

        Papers Presented at Peer-Reviewed Scientific Conferences

        2025

        2025

        1. Machine Learning Algorithms in Wi-Fi Networks

        Ergün M. G., Yıldız T.

        4th International Symposium on Graduate Research, İzmir, Turkey, 17 - 19 December 2025, (Unpublished)

        2025

        2025

        2. Customer Segmentation with Machine Learning Algorithms

        Cünt Z., Yıldız T.

        4th International Symposium on Graduate Research, İzmir, Turkey, 17 - 19 December 2025, (Unpublished)

        2025

        2025

        3. Predictive Maintenance Studies On Cnc Machine Tools

        Karacan M., Yıldız T.

        4th International Syposium on Graduate Research, İzmir, Turkey, 17 - 19 December 2025, vol.1, no.1, pp.1, (Unpublished)

        2024

        2024

        4. Investigating the Performance of Mean Estimators Based on ranked Set Sampling and Its Modified Methods Using Bootstrap Sample Selection Methods

        Akdeniz S., Yıldız T.

        8th International Researchers, Statisticians and Young Statisticians Congress 28-30 November 2024, Adana, Turkey, 28 - 30 November 2024, pp.25, (Summary Text)

        2024

        2024

        5. Utilizing Ranked Set Sampling with Varying Probabilities for the Nonparametric Estimation of the Distribution Function

        Yıldız T., Sevil Y. C.

        10th International Conference on Advances in Statistics (ICAS 2024), Budapest, Hungary, 19 - 21 April 2024, pp.1, (Summary Text)

        2023

        2023

        6. Robust Estimation of Correlation Coefficient via Ranked Set Sampling: Application to Bivariate Normal Distribution

        Sevil Y. C., Yıldız T.

        9th International Conference on Advances in Statistics, ICAS 2023, İstanbul, Turkey, 20 - 22 June 2023, pp.21, (Summary Text)

        2023

        2023

        7. Maximum likelihood estimates of dependence parameter in FGM type bivariate gamma distribution from ranked set sampling

        Sevil Y. C., Yıldız T.

        2nd International E-Conference on Mathematical and Statistical Science: A Selcuk Meeting(ICOMSS23), 5 - 07 June 2023, (Unpublished)

        2023

        2023

        8. Nonparametric estimation of distribution function using ranked set sampling with unequal probabilities

        Sevil Y. C., Yıldız T.

        12th International Conference of the International Biometric Society's Eastern Mediterranean Region(EMR2023), İzmir, Turkey, 8 - 11 May 2023, (Unpublished)

        2023

        2023

        9. Estimating the Dependence Parameter of Farlie-Gumbel-Morgenstern-Type Bivariate Gamma Distribution Using Ranked-Set Sampling

        Sevil Y. C., Yıldız T.

        1st International Online Conference on Mathematics and Applications, IOCMA2023, 1 - 15 May 2023, vol.7, no.1, pp.1-7, (Full Text)

        2022

        2022

        10. Food Recommendation System by Alternating Least Square Method in PySpark and Diet Food Recommender by Cosine Similarity Method

        Cengiz M., YILDIZ T.

        International Symposium Series on Graduate Researches 2022 (ISGR2022), İzmir, Turkey, 03 November 2022, (Full Text)

        2022

        2022

        11. Bootstrap Confidence Intervals for Association Parameter Based on Ranked Set Sampling

        SEVİL Y. C., YILDIZ T.

        International Symposium Series on Graduate Researches 2022 (ISGR2022), İzmir, Turkey, 03 November 2022, (Summary Text)

        2022

        2022

        12. Estimating of the distribution function under ranked set sampling with unequal probabilities

        Sevil Y. C., Yıldız T.

        12th International Statistics Days Congress (ISDC2022), İzmir, Turkey, 13 - 16 October 2022, (Unpublished)

        2022

        2022

        13. "Estimation of the Distribution Function Using Percentile Ranked Set Sampling: Application to Body Mass Index Data

        SEVİL Y. C., YILDIZ T.

        Mediterranean International Conference on Research in Applied Sciences, Antalya, Turkey, 22 April 2022, (Summary Text)

        2021

        2021

        15. Estimating the Association Parameter for Gumbel’s Bivariate Exponential Distribution Using Ranked Set Sampling

        SEVİL Y. C., YILDIZ T.

        ICAS 2021, 7 th International Conference on Advances in Statistics, Turkey, 15 October 2021, (Summary Text)

        2020

        2020

        16. Robust Ranked Set Sampling Methods for One-Sample t-test

        SEVİL Y. C., YILDIZ T.

        6th International E-Conference on Advances in Statistics, 16-18 October 2020, Turkey, 16 October 2020, (Summary Text)

        2019

        2019

        17. Ranking Error Models, Cost and Optimal SetSize in Ranked Set Sampling

        AKDENİZ S., YILDIZ T.

        IRSYSC2019, Kuşadası-Aydın, 18 - 20 October 2019, (Summary Text)

        2018

        2018

        20. Estimation of the Distribution Function Using Percentile Ranked Set Sampling

        SEVİL Y. C., YILDIZ T.

        4th International Researchers, Statisticians and Young StatisticiansCongress, 28 - 30 April 2018, (Summary Text)

        2017

        2017

        21. Empirical Distribution Functions under DifferentSampling Designs in Partially Rank-Ordered Sets

        SEVİL Y. C., YILDIZ T.

        International Conference on Computational and Statistical Methods in Applied Sciences, 9 - 11 November 2017, (Summary Text)

        2015

        2015

        23. On Dependence Parameters for Some Copula Models ofProgressive Type II Censored Order Statistics and Their Concomitants

        YILDIZ T., ÜÇER B.

        European Meeting of Statisticians, Amsterdam, Netherlands, 6 - 10 July 2015, pp.125-126, (Summary Text)

        2014

        2014

        24. Fisher Information in Progressive Type II Censored Order Statistics and Their Concomitants about Dependence Parameters

        YILDIZ T., ÜÇER B.

        Ordered Data Analysis, Models and Health Research Methods: An International Conference in Honor of H.N. Nagaraja for His 60th Birthday, 7 - 09 March 2014, pp.31, (Summary Text)

        2012

        2012

        25. Fisher Information in Farlie Gumbel Morgenstern Bivariate Copula of Progressive Type II Censored Order Statistics and Their Concomitants

        YILDIZ T., ÜÇER B.

        Tenth International Conference on Ordered Statistical Data and Their Applications, Spain, 23 - 25 May 2012, pp.50, (Summary Text)

        2011

        2011

        26. Estimation and Goodness of Fit Procedures for Farlie Gumbel Morgenstern Bivariate Copula of Order Statistics

        ÜÇER B., YILDIZ T.

        International Conference on Advances in Probability and Statistics-Theory and Applications, Hong Kong, 28 - 31 December 2011, pp.111, (Summary Text)

        2011

        2011

        27. An Application on an Order Statistics Based Distribution Free Control Chart

        YILDIZ T., ŞAHAN VAHAPLAR S.

        2nd International Symposium on Computing in Science Engineering, Aydın Kuşadası, Turkey, 1 - 04 June 2011, pp.1299-1303, (Full Text)

        2010

        2010

        28. An Inference Procedure for Bivariate Copula of Order Statistics

        ÜÇER B., YILDIZ T.

        1st International Symposium on Computing in Science and Engineering, Aydın, Turkey, 3 - 05 June 2010, pp.1197-1202, (Full Text)

        2008

        2008

        29. Wavelet Transform

        YILDIZ T., KURT S.

        Genç Bilim İnsanları ile Beyin Biyofiziği II. Çalıştayı, İzmir, Turkey, 21 - 23 February 2008, pp.84

        2007

        2007

        30. On Caharacterization of Distributions Through the Properties of Conditional Expectations of Generalized Order Statistics

        YILDIZ T., BAYRAMOĞLU İ.

        5. İstatistik Kongresi ve Risk Ölçümleri ve Yükümlülük Toplantısı, Antalya, Turkey, 20 - 24 May 2007, pp.665-671, (Full Text)

        2005

        2005

        31. On Caharacterization of Distributions by Properties of Conditional Expectations of Progressive Type II censored order statistics

        BAYRAMOĞLU İ., YILDIZ T.

        Ordered Statistical Data: Approximations, Bounds and Characterizations, İzmir, Turkey, 15 - 18 June 2005, pp.49, (Summary Text)

        2004

        2004

        32. Distributions of Non adjacent Progressive Type II Right Censored Order Statistics

        YILDIZ T., BAYRAMOĞLU İ.

        Ordered Statistical Data: Approximations, Bounds and Characterizations, Varşova, Poland, 24 - 28 May 2004, pp.34, (Summary Text)

        2003

        2003

        33. Kapasiteli Ulaştırma Modeli Ve Bir Uygulama

        YILDIZ T., MORALI N.

        İstatistik Araştırma Sempozyumu, Ankara, Turkey, 10 - 12 December 2003, pp.79-80, (Summary Text)

        Books

        2009

        2009

        1. Literature Review of Wavelet Transform

        YILDIZ T., KURT S.

        in: The Applied Brain Biophysics Uygulamali Beyin Biyofizigi ve Multidisipliner Yaklasim, Dokuz Eylül Üniversitesi Tıp Fakültesi Yayınları, pp.215-232, 2009

        Funded Projects

        2018 - 2021

        2018 - 2021

        Sıralı Küme Örneklemesinde Uyum İyiliği Testleri

        Project Supported by Higher Education Institutions , BAP MSc

        YILDIZ T. (Executive)

        Peer Reviews in Scientific Publications

        July 2022

        July 2022

        STATISTICS AND COMPUTING

        SCI Journal

        November 2021

        November 2021

        COMMUNICATIONS IN STATISTICS -THEORY AND METHODS

        SCI Journal

        November 2021

        November 2021

        İstatistik. Türk İstatistik Derneği Dergisi

        Other journals

        August 2021

        August 2021

        STATISTICAL PAPERS

        SCI Journal

        August 2020

        August 2020

        JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION

        SCI Journal

        May 2019

        May 2019

        COMMUNICATIONS IN STATISTICS -THEORY AND METHODS

        SCI Journal

        May 2019

        May 2019

        JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION

        SCI Journal

        

        Citations

        Total Citations (WOS): 49

        h-index (WOS): 4

        Jury Memberships

        September-2022

        September 2022

        Post Graduate

        - Ege Üniversitesi

        February-2022

        February 2022

        Post Graduate

        - Ege Üniversitesi

        July-2019

        July 2019

        Doctoral Examination

        - Dokuz Eylül Üniversitesi