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Freelance Statistician & Data Analyst | Expert in R & SPSS & other statistical softwares

Profile Summary

As a highly skilled Freelance Statistician & Data Analyst, I specialize in delivering actionable insights through data analysis and statistical modeling. With extensive expertise in R, SPSS, and other industry-standard statistical software, I provide tailored solutions that help businesses, researchers, and organizations make data-driven decisions. I have a strong academic background in Biostatistics, backed by hands-on experience in analyzing complex datasets, conducting hypothesis testing, and building predictive models. Whether it’s for research projects, market analysis, or academic papers, I work collaboratively with clients to ensure accurate and meaningful results that meet their specific needs. My approach combines technical proficiency, a deep understanding of statistical methods, and a commitment to delivering high-quality, timely results. I am passionate about using data to uncover trends, test theories, and solve problems, making me a reliable partner for any data analysis project. Key Skills: Advanced proficiency in R, SPSS, and other statistical software. Expertise in data cleaning, exploratory data analysis, and statistical modeling. Strong background in hypothesis testing, regression analysis, and data visualization. Experience in academic research, publication support, and report writing. Ability to translate complex data into clear, actionable insights. I offer flexible, client-oriented services for projects of any scale and complexity, ensuring that every dataset is handled with precision and professionalism.

Subject Matter Expertise

• ☆ Biostatistics
• ☆ Preventive Medicine
• ☆ Precision Medicine
• ☆ Health Informatics
• ☆ Social Medicine
• ☆ Traditional Medicine
• ☆ Health Education

Services

• Writing
• Research

Writing Medical Writing, Technical Writing, Copywriting, General Proofreading & Editing, Translation

Research Meta-Research, Gap Analysis, Scientific and Technical Research, Systematic Literature Review, Secondary Data Collection

Work Experience

AssociateProfessor

Birjand University of Medical Sciences

January 2018 - Present

Education

PhD

Tarbiat Modares University

January 2013 - August 2017

Certifications

• Specialist - Data Scientist, Advanced Analytics Version 1.0

  tehran university

  January 2022 - Present

Publications

JOURNAL ARTICLE

Forough Ahrari, Hamidreza Zivarifar, Tahereh Ahrari Roodi, Leili Alizadeh (2025). Relationship between type II diabetes mellitus and oral health status among middle-aged iranians patients . Cardiovascular Diabetology – Endocrinology Reports.

Freshteh Osmani, Marzieh Mohammadi Moghadam, Hadi Nasiroddini (2024). Salivary hydroxyproline levels and gingivitis in 6–7 years children: a case-control study . Exploration of Medicine.

Freshteh Osmani, Hossein Gholami, Mohamad Amir Mohamadifard, Leili Alizadeh (2024). The impact of vitamin E and vitamin A on the severity of oral mucositis . Special Care in Dentistry.

Mahla Shajari, Maryam Rezaei, Fereshteh Osmani, Ebrahim Shafaie, Zoya Tahergorabi (2024). Correlation between Autoimmune Hashimoto’s Thyroiditis and Helicobacter pylori Infection: A Case-Control Study . Middle East Journal of Digestive Diseases.

Freshteh Osmani, Masood Ziaee (2023). Survival Evaluation of Hospitalized COVID-19 Patients with Cox Frailty Approach . Disaster Medicine and Public Health Preparedness.

Freshteh Osmani, Parvin Parvaie (2022). Dentistry during COVID-19: patients' knowledge and satisfaction toward health protocols COVID-19 during dental treatment . European Journal of Medical Research.

Freshteh Osmani, Morteza Arab-Zozani, Mohammad Osmani, Zahra shahali (2022). Evaluation of The Effectiveness of Electronic Prescription In Reducing Medical And Medical Errors (Systematic Review Study) . Annales Pharmaceutiques Françaises.

Freshteh Osmani, Zahra Ghamkhah, Leili Alizadeh (2022). A Comparison of traditional learning and web-based blended education in a practical oral pathology course for students of dentistry at the Birjand University of Medical Sciences . Research and Development in Medical Education.

Freshteh Osmani, Ghodsiyeh Azarkar (2021). Clinical characteristics and risk factors for mortality in COVID-19 inpatients in Birjand, Iran: a single-center retrospective study . European Journal of Medical Research.

Freshteh Osmani, Masood Ziaee (2021). The Importance of Vitamin D Deficiency as a Potential Marker Among Chronic Hepatitis B Patients . Viral Hepatitis Journal.

Freshteh OSMANİ (2021). Analysis of Students Satisfaction with Virtual Education in Medical Science University during the Pandemic Outbreak of COVID-19 . International Journal of Assessment Tools in Education.

Freshteh Osmani, Masood Ziaee (2021). Assessment of the risk factors for vitamin D3 deficiency in chronic hepatitis B patient using the decision tree learning algorithm in Birjand . Informatics in Medicine Unlocked.

Freshteh Osmani, Ghodsiyeh Azarkar(2021). Fitting logistic regression models to assess vitamin D deficiency with clinical parameters in chronic hepatitis B patients . Infectious Disease Modelling. 6. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 612--617. Elsevier {BV}

Rahman Panahi, Fereshteh Osmani (2020). An Effective Method for Allocating the Number of Training Sessions Required for Each of the Structures in the Theory-based Interventions of Health Education . Journal of Research & Health.

Freshteh Osmani, Masood Ziaee (2020). Does Vitamin D Level Influence Surface Antibodies in Chronic Hepatitis B Patients? . Avicenna Journal of Clinical Microbiology and Infection.

Osmani* Freshteh(2019). Effect evaluation of vitamin D level amongst patients with chronic hepatitis B . Archives of Pathology and Clinical Research. 3. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 020--021. Heighten Science Publications Corporation

Freshteh Osmani, Ebrahim Hajizadeh, Aliakbar Rasekhi, Mohammad Esmaeil Akbari(2019). Prognostic factors associated with locoronal relapses, metastatic relapses, and death among women with breast cancer. Population-based cohort study . The Breast. 48. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 82--88. Elsevier {BV}

Freshteh Osmani, Ghodsiyeh Azarkar, Zahra Doosti, Masood Ziaee(2019). <p>Analysis Of Risk Factors For Nonalcoholic Fatty-Liver Disease In Hepatitis B Virus Infection: A Case–Control Study</p> . Hepatic Medicine: Evidence and Research. Volume 11. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 153--158. Informa {UK} Limited

Osmani, F., Hajizadeh, E., Rasekhi, A., Akbari, M.E.(2019). Prognostic factors associated with locoronal relapses, metastatic relapses, and death among women with breast cancer. Population-based cohort study . Breast. 48. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 82-88.

Osmani, F., Hajizadeh, E., Rasekhi, A., Akbari, M.E.(2018). Analyzing relationship between local and metastasis relapses with survival of patients with breast cancer: A study using joint frailty model . International Journal of Cancer Management. 11. (12).

Osmani, F., Hajizadeh, E., Rasekhi, A.(2018). Association between Multiple Recurrent Events with Multivariate Modeling: A Retrospective Cohort Study . Journal of research in health sciences. 18. (4). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString e00433.

Osmani, F., Hajizadeh, E., Mansoori, P.(2016). Use of smoothing methods for estimating the coefficients of time dependent rate models in survival analysis and its application in psoriasis disease . Iranian Journal of Epidemiology. 12. (3). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 36-46.

OTHER

Freshteh Osmani, Parvin Parvaie, Saideh EbrahimianBaghan, Mahmood Zardats, Gholamreza Shrifzadeh(2020). Evaluation of Herpes Simplex Virus Type 1 Antibody in Dental Students of Birjand University of Medical Sciences . Research Square

CONFERENCE PAPER

Osmani, F., Hettiwatte, M., Kshirsagar, S., Senadheera, S., Zhang, H.C.(2017). Development of an environmental life-cycle assessment (LCA) protocol for flexible pavements that integrates life-cycle components to a proprietary software . Pavement Life-Cycle Assessment - Proceedings of the Pavement Life-cycle Assessment Symposium, 2017. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 31-40.