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Academician

OSMAN UFUK EKİZ

Doçent

Gazi Üniversitesi Fen Fakültesi İstatistik Bölümü

Research topics OpenAlex
Articles 24 YÖKSİS 24 · OpenAlex 0 Total citations 15 h-index 2 · OpenAlex Q1 articles 0 Scopus · WoS Q1 1 Best field rank #219 / 611 Side field · top 35.8% Co-authors 14 1 Turkish institutions
  1. Ana Dal Fen Bilimleri ve Matematik Temel Alanı
  2. Yan Dal İstatistik
Keywords YÖKSİS
Academic summary YÖKSİS and OpenAlex counted separately.
Articles 24
YÖKSİS24 OpenAlex0
Projects 0
Books 5
Proceedings 11

Citation impact

OpenAlex YÖKSİS articles matched in OpenAlex: 6
h-index 2 Percentile in Türkiye: 29 #1,705 of 2,185 at their university by h-index
i10-index
0
Total citations
15
Top 64% in Türkiye
Per article
2.5
FWCI
0.38
1.00 = world average
World top 1%
0
World top 10%
0

Most cited articles

  1. An improved robust variance inflation factor: Reducing the negative effects of good leverage points 2023 6 citations
  2. Outlier detection with Mahalanobis squaredistance: incorporating small sample correctionfactor 2017 4 citations
  3. Arabin-pessary or McDonald Cerclage in Cervical Shortenin? 2023 2 citations

h-index and citations are computed from the citation counts of this academic’s YÖKSİS articles matched in OpenAlex (not Google Scholar, WoS or Scopus). Unmatched articles are not included.

Field ranking

YÖKSİS ?

Collaboration network

From the author lists of YÖKSİS publication records. Duplicate records of a work count once; institutions are co-authors’ current YÖKSİS affiliations.

Co-authors
14
With an akaturk profile
5
Turkish institutions
1
Co-authored works
%71

Academic co-authors 5

  1. MELTEM EKİZ Profesör · Gazi Üniversitesi same university 8
  2. AHMET ÖZTOPAL Doçent · İstanbul Teknik Üniversitesi 1
  3. FİTNAT DENİZ ÇETİNER Profesör · Gazi Üniversitesi same university 1
  4. NUR MOLLAOĞLU Profesör · Gazi Üniversitesi same university 1
  5. SEDAT ÇETİNER Profesör · Gazi Üniversitesi same university 1

National collaboration 1 institutions

Within own university9 joint works · Gazi Üniversitesi

  1. İstanbul Teknik Üniversitesi 1 works · 1 academics

Other co-authors (incl. international) 9

AYDAN BİRİ 4AYTAJ JAFARZADE 4Aghayeva Sveta Koru Hastanesi 4Mungan Tamer Koru Hastanesi 3MÜSLİM EKNİ 3HAMZA GAMGAM 2MUHİTTİN TAMER MUNGANUlu İpek Koru Hastanesiözlem şanal

Authors without an akaturk profile (international researchers, retired or former academics, students, clinicians) are grouped by name spelling; short forms such as “Gulluce M.” join the single full name they match.

Index quartiles

?
Scopus (SJR) 13
  • Q1 0 %0.0
  • Q2 3 %23.1
  • Q3 5 %38.5
  • Q4 5 %38.5
WoS (JCR) 11
  • Q1 1 %9.1
  • Q2 0 %0.0
  • Q3 6 %54.5
  • Q4 4 %36.4
TR Index 5 articles
OpenAlex citation percentile
Top 1%0
Top 10%0
Avg · n 6 %55.9
Other counts

Scopus (SJR)

  • YÖKSİS rows 13

WoS (JCR)

  • YÖKSİS rows 11

Articles

Articles with YÖKSİS and OpenAlex source split; narrow by quartile or TR Index.

24articles

Journals with publications

18 journals

Narrow down

Scopus (SJR)
Q10 Q23 Q35 Q45
WoS (JCR)
Q11 Q20 Q36 Q44
TR Index
5articles

Article list

  1. 2023 Postoperative results of myomectomy performed during caesarean section in a tertiary care center. Ann. Ital. Chir. DOI https://www.annaliitalianidichirurgia.it/ YÖKSİS SJR Q3 JCR Q3
  2. 2023 Retrospective evaluation of outcomes of vaginal birth after caesarean section in a tertiary center: a single-center study from Türkiye GINEKOLOGIA POLSKA DOI 10.5603/GP.a2023.0032 YÖKSİS SJR Q3 JCR Q3 OpenAlex 6.8%
  3. 2023 An improved robust variance inflation factor: Reducing the negative effects of good leverage points Kuwait Journal Of Science DOI 10.48129/kjs.15533 YÖKSİS SJR Q2 JCR Q3 OpenAlex 75.6%
  4. 2023 Arabin-pessary or McDonald Cerclage in Cervical Shortenin? Revista Brasileira de Ginecologia e Obstetrícia DOI 10.1055/s-0043-1776033. YÖKSİS SJR Q3 JCR Q4 OpenAlex 62.0%
  5. 2023 Predicting Baby Gender Using the Chinese Lunar Calendar AKTUALNI GYNEKOLOGIE A PORODNICTVI DOI https://www.webofscience.com/wos/woscc/full-record/WOS:001053525200001 YÖKSİS SJR Q4 JCR Q4
  6. 2020 Modelling Tap Water Consumer Ratio MATHEMATICS DOI doi.org/10.3390/math8091557 YÖKSİS SJR Q2 JCR Q1
  7. 2019 Çoklu Doğrusal Regresyon Analizinde Etkili Gözlemlerin Belirlenmesine Yönelik Bir Yöntem Gümüşhane Üniversitesi Fen Bilimleri Enstitüsü Dergisi DOI 10.17714/gumusfenbil.449411 YÖKSİS TR Index SJR Q4 OpenAlex 52.0%
  8. 2018 Detection of Outliers in Growth Curve Models: Using Robust Estimators International Journal of Probability and Statistics DOI 10.5923/j.ijps.20180701.02 YÖKSİS
  9. 2018 Impact of interactions between collinearity, leverage points andoutliers on ridge, robust, and ridge-type robust estimators International Journal of Statistics and Applications DOI 10.5923/j.statistics.20180802.08 YÖKSİS
  10. 2017 Outlier detection with Mahalanobis squaredistance: incorporating small sample correctionfactor Journal of Applied Statistics DOI 10.1080/02664763.2016.1255313 YÖKSİS SJR Q3 JCR Q4 OpenAlex 68.4%
  11. 2017 The Role of Outliers in Growth Curve Models: A Case Study of City-based Fertility Rates in Turkey International Journal of Statistics and Applications DOI 10.5923/j.statistics.20170703.03 YÖKSİS
  12. 2017 Comparison of Test Statistics Based on Different Scale Estimators for the Umbrella Alternative of Scale Parameters Gazi University Journal of Science YÖKSİS TR Index SJR Q4 JCR Q3
  13. 2015 A small sample correction factor for S estimators Journal of Statistical Computation and Simulation DOI 10.1080/00949655.2013.845891 YÖKSİS SJR Q2 JCR Q3 OpenAlex 70.5%
  14. 2012 BOOTSTRAP METHOD FOR TESTING THE EQUALITY OF MEANS: IN CASE OF HETEROSCEDASTICITY SAÜ Fen Edebiyat Dergisi DOI http://www.fed.sakarya.edu.tr/arsiv/yayinlenmis_dergiler/2012_2/2012_2_F3.pdf YÖKSİS
  15. 2011 KORELASYON MATRİSLERİNİN EŞİTLİĞİ TESTİNDE PERMÜTASYON TESTİ Anadolu Üniversitesi Bilim Ve Teknoloji Dergisi - B Teorik Bilimler YÖKSİS TR Index
  16. 2010 Normal ve Karma-Normal Dağılımlı Veri Grupları İçinİlişki Katsayılarının Eşitliğinde Permütasyon Testi S Ü Fen Fak Fen Derg YÖKSİS
  17. 2007 ONE-WAY ANALYSIS OF VARIANCE UNDER HETEROSCEDASTICITY FOR TESTING THE EQUIVALENCY OF MEANS AGAINST AN ORDERED ALTERNATIVE WITH VARYING INITIAL SAMPLE SIZES International Journal of Pure and Applied Mathematics YÖKSİS
  18. 2007 Büyüme Eğrilerinin Eşitliğinde Permütasyon Testi İstatistik Araştırma Dergisi YÖKSİS
  19. 2006 Bayesian Approach to identify Masking and SwampingProblems in the Multivariate-Multiple RegressionAnalysis Gazi University Journal of Science YÖKSİS TR Index SJR Q3 JCR Q3
  20. 2005 Aykırı Gözlem Sayısının Belirlenmesi İstatistik Araştırma Dergisi YÖKSİS

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