Zaka Ratsimalahelo | Inference in statistics | Best Researcher Award

Prof. Zaka Ratsimalahelo | Inference in statistics | Best Researcher Award

Zaka Ratsimalahelo | Marie and Louis Pasteur University | France

Prof. Zaka Ratsimalahelo, a distinguished academic in Econometrics at Université Marie et Louis Pasteur, has established a notable career in applied econometrics, microfinance, and development economics. He holds advanced degrees specializing in econometrics and has built extensive expertise through both teaching and research, contributing significantly to the understanding of financial development, rank determination of matrices, and microfinance dynamics. Throughout his career, Professor Ratsimalahelo has held key academic roles, actively engaging in high-impact projects addressing economic growth, financial inclusion, and the structural modeling of economic systems. His research focus spans theoretical econometrics, including rank tests based on matrix perturbation theory and VARMA model specification, as well as applied studies on financial development in West Africa and microfinance systems in Africa and Europe. He has authored influential publications in internationally recognized journals, with several works co-authored with leading scholars in economics and finance. His contributions have not only advanced scholarly discourse but also offered practical insights into policy and financial sector development. Professor Ratsimalahelo’s dedication to research excellence is reflected in his editorial involvement, academic collaborations, and recognition by peers, with his work being cited across multiple domains. His scholarly output demonstrates both depth in econometric theory and breadth in applied economic issues, underscoring his influence as a researcher and mentor. 17 Citations, 9 documents, 3 h-index.

Profiles: Scopus | Google Scholar

Featured Publications

1. Ratsimalahelo Z.* Rank test based on matrix perturbation theory. EERI Research Paper Series, 2001, Citations: 25.

2. Ratsimalahelo Z.* Strongly consistent determination of the rank of matrix. EERI Research Paper Series, 2003, Citations: 20.

3. Ratsimalahelo Z.*, Barry M.D. Financial development and economic growth: Evidence from West Africa. Economics Bulletin, 2010, 30(4), 2996–3009, Citations: 18.

4. Bouasria M., Ashta A., Ratsimalahelo Z.* Bottlenecks to financial development, financial inclusion, and microfinance: A case study of Mauritania. Journal of Risk and Financial Management, 2020, 13(10), 239, Citations: 15.

5. Founanou M., Ratsimalahelo Z.* Financement des petites et moyennes entreprises en Afrique subsaharienne. La Revue des Sciences de Gestion, 2011, 249–250(3), 105–112, Citations: 10.

Hazhar Blbas | Statistics | Best Researcher Award

Assist. Prof. Dr. Hazhar Blbas | Statistics | Best Researcher Award

Applied Statistics at Salahaddin University-Erbil, Iraq

Dr. Hazhar Blbas 🎓 is an accomplished Assistant Professor of Applied Statistics at Salahaddin University-Erbil, with a Ph.D. and an M.S. from the University of Central Florida 🇺🇸. As the founder of STAT Office 📊, he plays a pivotal role in mentoring students and professionals in statistical data analysis, research methodology, and academic writing. His expertise has earned him international recognition 🌍 as a keynote speaker and trainer across conferences in the USA, Brazil, Greece, and more. With over a decade of academic and consulting experience, Dr. Blbas has contributed significantly to capacity building in Iraq’s higher education sector 🎓📚. His dedication to quantitative research, community training, and academic excellence makes him a standout figure in the field of statistical science and education. 🏅📈

Professional Profile 

Google Scholar
Scopus Profile
ORCID Profile

🎓 Education

Dr. Hazhar Blbas has built a strong academic foundation in statistics, beginning with a Bachelor’s degree in Statistics from Salahaddin University-Erbil with high distinction 📘. He pursued advanced studies in the U.S., earning a Master’s degree in Statistical Computing from the University of Central Florida 🇺🇸 with a GPA of 3.425/4.0. His academic journey culminated in a Ph.D. in Applied Statistics from Salahaddin University in 2022, emphasizing quantitative research and data analysis 📊. In addition, he earned a diploma in English language studies, further enhancing his global academic communication skills 🌐. This robust educational background has laid the groundwork for his contributions to teaching, research, and international collaborations in the field of applied statistics 📚🧠.

💼 Professional Experience

Dr. Blbas has a diverse portfolio of professional experiences spanning over a decade 👨‍🏫. He currently serves as a lecturer and Assistant Professor at the Statistics Department, Salahaddin University-Erbil, where he teaches and supervises undergraduate and postgraduate students 📈. He previously served at Knowledge University and Ishik University, contributing to IT, business, and medical departments. Additionally, he is the founder and CEO of STAT Office 📊, offering consultation in statistical data analysis and research guidance. His leadership extended to managing the Career Development Center at Knowledge University. Through various consultancy roles, including UN-funded research projects, he has impacted academia, industry, and governance sectors in Iraq. His dynamic teaching, mentorship, and consultancy roles highlight his commitment to practical and academic excellence 🚀📘.

🔬 Research Interest

Dr. Blbas’s research interests lie in applied statistics, data analysis, quantitative research, and statistical computing 🧮. He is passionate about improving research methodology, sampling techniques, and data interpretation to strengthen evidence-based decision-making across disciplines 📚📊. He focuses on SPSS, Excel-based analysis, and designing research frameworks that are both scientifically sound and socially impactful. His interdisciplinary approach allows him to work across health sciences, business, education, and media research domains 🔍. A major part of his work includes mentoring graduate students and training researchers in data handling and model building. He frequently presents on optimizing quantitative techniques, addressing statistical errors, and advancing computational accuracy. His ongoing goal is to bridge the gap between statistical theory and real-world application in emerging economies 🌍📈.

🏅 Awards and Honors

Dr. Hazhar Blbas has earned national and international acclaim for his academic and community contributions 🏆. He was honored with the prestigious IES2CV International Award in 2021 and recognized for having one of the most cited research profiles at Salahaddin University in 2023 📖📢. Additionally, he received the Best Undergraduate Research Grant, a testament to his mentorship and supervision impact. As a frequent keynote speaker at global conferences in Brazil, the U.S., Greece, and the Philippines, he is celebrated for his insights into data analysis and quantitative research 🎤🌍. His invitations to serve as judge, panelist, and research mentor reflect his recognized authority in his field. These accolades not only highlight his scholarly excellence but also his contribution to building research capacity in Iraq and beyond 🥇📘.

🧠 Research Skills

Dr. Blbas is highly skilled in statistical software such as SPSS, Excel, and R, with deep expertise in data visualization, multivariate analysis, and regression modeling 📊💻. His practical knowledge is matched by his ability to teach and simplify complex statistical concepts for students, professionals, and researchers 🧑‍🏫. He has developed and delivered numerous training courses on quantitative research, thesis writing, and scientific communication. Known for identifying and correcting common errors in data analysis, he emphasizes precision and reproducibility in research 🔍📑. His consultancy projects and workshops span academia, NGOs, and private sector collaborations. Whether analyzing large-scale surveys or evaluating academic theses, Dr. Blbas combines statistical rigor with real-world application, making him a valuable research leader and educator 🧮📈.

Publications Top Note 📝

  • Title: Longitudinal study of stress, social support, and depression in married Arab immigrant women
    Authors: K. Aroian, U. Nizam, H. Blbas
    Year: 2016
    Citations: 95
    Source: Health Care for Women International, 38(2), 111–117

  • Title: Phenomenon of depression and anxiety related to precautions for prevention among population during the outbreak of COVID-19 in Kurdistan Region of Iraq
    Authors: H. Blbas, K.F. Aziz, S.H. Nejad, A.A. Barzinjy
    Year: 2020
    Citations: 59
    Source: Journal of Public Health, 1–5

  • Title: An Application of Factor Analysis to Identify the Most Effective Reasons that University Students Hate to Read Books
    Authors: H. Blbas, K. Dler
    Year: 2019
    Citations: 37
    Source: International Journal of Innovation, Creativity and Change, 6(2), 251–265

  • Title: A comparison between Brown’s and Holt’s double exponential smoothing for forecasting applied generation electrical energies in Kurdistan Region
    Authors: A.W. Omer, H.T.A. Blbas, D.H. Kadir
    Year: 2021
    Citations: 34
    Source: Cihan University-Erbil Scientific Journal, 5(2), 56–63

  • Title: A Comparison results of factor analysis and cluster analysis to the migration of young people from the Kurdistan Region to Europe
    Authors: H. Blbas, M. Saman, O. Cheman
    Year: 2017
    Citations: 34
    Source: ZJPAS, 29(4), 44–55

  • Title: A Statistical Study of the Influence of COVID-19 on the Agricultural Supply Chain (Vegetative) Production in Halabja Governorate
    Authors: H. Blbas, S. Faraj, A. Ahmed
    Year: 2022
    Citations: 23
    Source: Cihan University-Erbil Scientific Journal (CUESJ), 6(1), 1–6

  • Title: Statistical Analysis for the Most Influential Reasons for Divorce between Men and Women in Erbil-Iraq
    Authors: H. Blbas
    Year: 2019
    Citations: 22
    Source: International Journal of Innovation, Creativity and Change, 6(2), 207–216

  • Title: Statistical analysis for the most influential reasons for divorce between men and women in Erbil-Iraq
    Authors: H. Blbas
    Year: 2019
    Citations: 18
    Source: Iraq International Journal

  • Title: Umbilical cord care knowledge and practice among sample of Kurdish women
    Authors: H.O. Saadi, H.S. Sdeeq, M.M. Hussein, H.T. Blbas, K. Qadir, S.M. Muhammed
    Year: 2023
    Citations: 17
    Source: Technium BioChemMed, 6, 41–55

  • Title: Factors contributing to vitamin D deficiency in Erbil, Iraq: A statistical investigation
    Authors: H.T.A. Blbas, W.T.S. Kahwachi, S.K. Ahmed, K.G. Aziz, S.M. Faraj, et al.
    Year: 2024
    Citations: 6
    Source: Clinical Nutrition Open Science, 54, 151–162

  • Title: Descriptive Statistics
    Authors: H.T.A. Blbas
    Year: 2024
    Citations: 3
    Source: Recent Advances in Biostatistics

  • Title: A Comparison Between New Modification of Adaptive Nadaraya-Watson Kernel and Classical Adaptive Nadaraya-Watson Kernel Methods in Nonparametric Regression
    Authors: H.T.A. Blbas, W.T. Kahwachi
    Year: 2021
    Citations: 3
    Source: Cihan University-Erbil Scientific Journal, 5(2), 32–37

  • Title: Evaluation of significant factors influencing the survival time of breast cancer patients using the Cox regression model
    Authors: K.G. Aziz, H.T.A. Blbas, A.H. Tofiq
    Year: 2024
    Citations: 2
    Source: Journal of Public Health, 32(10), 1829–1834

  • Title: State of the Art in COVID-19 in the SAARC Countries and China using BATS, TBATS, Holt’s Linear and ARIMA Model
    Authors: P. Mishra, M. Abotaleb, K. Karakaya, A. Mostafa, H. Yonar, H.T.A. Blbas, et al.
    Year: 2022
    Citations: 2
    Source: Journal of Agriculture, Biology and Applied Statistics

  • Title: Key factors influencing delayed marriage: Insights from the Kurdistan region of Iraq—a Middle Easterner’s perspective
    Authors: H.T.A. Blbas, A.N. Ali, A.F. Saber
    Year: 2025
    Citations: 1
    Source: SN Social Sciences, 5(3), 1–14

  • Title: Climate Change Anxiety Symptoms in the Kurdistan Region of Iraq
    Authors: S.J. Mohammed, S.M. Ahmed, M.Q. Qadr, H. Blbas, A.N. Ali, A.F. Saber
    Year: 2025
    Citations: 1
    Source: Journal of Pioneering Medical Sciences, 14, 23–30

  • Title: Density functional theory study on zigzag and armchair nanotubes of AlP for potential K-ion battery application
    Authors: B.V. Barahona, N. Ulloa, B.V. Barahona, A. Kumar, S.H. Zaki, M.A. Mustafa, H.T.A. Blbas, et al.
    Year: 2024
    Citations: 1
    Source: Journal of Physics and Chemistry of Solids, 186, 111808

  • Title: The opinion and awareness of citizens on the commitment of bakers, butchers, and food sellers to health instructions and their application during COVID-19 outbreak
    Authors: Y. Galali, K.F. Aziz, H.T.A. Blbas, A.A. Jabbar
    Year: 2023
    Citations: 1
    Source: Cihan University-Erbil Scientific Journal, 7(2), 11–16

  • Title: Statistical Analysis About Negative Reasons of Summer Training at Salahaddin University Using Factor Analysis by SPSS
    Authors: H. Blbas
    Year: 2021
    Citations: 1
    Source: PRAGYA – The Progress in Multidisciplinary Research, pp. 64–69

  • Title: Student’s Knowledge and Practices Regarding Standard Use of The Mobile Phone at Cihan University-Erbil–Iraq
    Authors: H. Blbas
    Year: 2020
    Citations: 1
    Source: Journal of Al Rafidain University College, pp. 467–472

  • Title: Widespread Mental Health Impacts of COVID-19 on Iraq’s General Population: A Systematic Review
    Authors: S.K. Ahmed, D.R. Ahmed, R.H. Ibrahim, S. Hussein, H.T.A. Blbas, K.A. Mahmood, et al.
    Year: 2025
    Source: SAGE Open Nursing, 11

  • Title: The Impact of Organizational Integrity on Organizational Symmetry: An Analytical Study in the Public and Private Sectors
    Authors: Z.F. Sharif, K.O. Azam, S.A. Saeed, H.T.A. Blbas, S.M. Faraj, F.A. Mohammed, et al.
    Year: 2025
    Source: Academic Journal of International University of Erbil, 2(2), 129–142

  • Title: Factors affecting the decline in statistics department enrollment: A comparative study of statistics department students and twelfth-grade students
    Authors: H.T.A. Blbas, A.M. Kakil, Z.A. Ahmad, S.F. Ahmad
    Year: 2025
    Source: Social Sciences & Humanities Open, 11, 101464

📌 Conclusion

Dr. Hazhar Blbas exemplifies academic excellence, professional versatility, and research leadership 📚✨. With an international education, cross-disciplinary teaching roles, and a robust research agenda, he is shaping the future of statistical education and application in Iraq and beyond 🌍📘. His ability to bridge theory with practice through consultancy, mentorship, and public speaking underscores his influence in both academic and community circles 🎤👨‍🏫. Recognized through multiple awards and global engagements, Dr. Blbas stands out as a forward-thinking researcher who continually contributes to the development of knowledge and innovation in applied statistics. His journey reflects a lifelong commitment to empowering others through data, analysis, and evidence-driven insights 📊🧠📈.