Hire the Best Root Cause Analysis Specialists

Do you need someone who can handle your entire data journey? From collecting data, to analysing it, to automating the processes around it, and finally presenting it in a stunning, interactive dashboard? You've found that person. I'm Catherine, a data analyst and statistician with deep expertise across the full data pipeline. I don't just run numbers. I help you collect, clean, analyse, automate, and visualise your data in a way that drives real decisions. What I bring to your project: 📊 Statistical analysis & research: Hypothesis testing, regression, SEM, survival analysis, psychometrics/scale validation, and econometric modelling using SPSS, R, Stata, Python, Jamovi, and JMP. I've contributed to peer-reviewed journal publications through my statistical work on surgical databases (NSQIP). 🔍 Qualitative research: Thematic and content analysis using NVivo, MAXQDA, and Atlas.ti for interviews, focus groups, and open-ended survey data. ⚙️ Automation & workflow design: I build end-to-end automated pipelines using Make and Google Apps Script, including integrations with Stripe, Google Forms, Google Sheets, landing pages, and more. Recent clients have seen their manual data workflows fully automated. 📈 Dashboards & data visualisation: Interactive executive dashboards in Power BI and Looker Studio, tailored for marketing teams, operations, healthcare, and finance. I turn raw data into clear, compelling visual stories. 📋 Survey design & data collection: End-to-end survey projects using Google Forms, Typeform, and Qualtrics, including automated data pipelines from form submission to clean, analysis-ready datasets. I've worked across yachting, healthcare, finance, and academia, and I also offer tutoring in SPSS, R, and Stata for students and professionals. Let's talk about how I can support your project.

Do you need accurate, actionable insights from your survey, research, or business data to make informed decisions through powerful statistical and data science analysis? Look no further! I am a top-rated and full-time research data analyst with >8 years of experience in IBM SPSS, R, Python, SAS, STATA, NVIVO, JMP, JASP, Atlas.ti, Excel/Google Sheets. As a statistics wiz, survey expert, and data science practitioner, my areas of expertise include: ⭐️ Questionnaire/survey design & validation ⭐️ Survey & research data analysis: descriptive, inferential (Chi-Square, regression, correlation, t-test, ANOVA, etc.), predictive modeling ⭐️ Detailed interpretation & storytelling of results ⭐️ Report writing, academic formatting (APA, Harvard), and publication-ready outputs ⭐️ Advanced automation & scripting for reproducible workflows I provide a variety of services including but not limited to: ★ Sample size calculations ★ Correlation, regression, & multivariate analysis ★ Hypothesis testing & statistical modeling ★ Factor analysis (EFA/CFA), structural equation modeling ★ Predictive analytics & data visualization ▶︎ and much more My specializations: Health Research & Predictive Analysis Master's/Ph.D. Thesis & Dissertation Modeling Company Survey & Performance Analytics Social, Economic & Behavioral Data Science Projects What clients say 👉👉👉 ☆☆☆☆☆ "She is always of great help, and the turnaround time is on point. I can depend on her for assistance and explaining the work thoroughly." "Great work. Amazing communication and delivered the project on time." "Esther's results were clear, organized, and thoroughly explained. Excellent work! I'm so impressed! I appreciate her efforts and insight to the analysis of the project!" ☆☆☆☆ ✍️ Feel free to get in touch, and we can discuss your project further

🏆 TOP RATED ON UPWORK |⭐ 5-Star Ratings | Data Analysis and Statistical Modeling, ✅ Statistics, ✅ Survey Data Analysis, ✅ SPSS Statistical Analysis, ✅ Biostatistics Help. I am Statistician & Biostatistician with 8 years of experience in Statistical Data Analysis. I have helped clinical researchers, PhD and MSc researchers, DNP project, and business owners. My expertise includes working with datasets from surveys, clinical studies, and public databases like NHANES, CDC, DHS, and IPUMS. My Services: - Linear, Logistic, and Multinomial Regression Analysis - Repeated Measures ANOVA and Mixed Effects Models - Survival Analysis (Cox PH, Kaplan-Meier) - Survey Data Analysis (SurveyMonkey) - Structural Equation Modeling (SEM) and Confirmatory Factor Analysis (CFA) - Longitudinal Data Analysis and Multilevel Modeling - Latent Class Analysis using R or STATA - Power Analysis and Sample Size Calculation - Missing Data Imputation (MICE) Software Proficiency: ✅ R, RStudio, ✅ IBM SPSS, Stata, SAS ✅ Python ✅ Excel With a Master's degree in Statistics, specializing in Biostatistics, and over 8 years of experience, I have completed more than 200 projects on Upwork, achieving a 96% job success score and an average rating of 4.8. My analyses have contributed to successful journal publications, DNP projects, and strategic business decisions. Ready to start? Send me your dataset or a brief description of your project. Thank you, Daniel

🏆 EXPERT-VETTED TOP 1% ON UPWORK Need a statistician who can deliver publication-ready analyses the first time? I'm a PhD Biostatistician and Epidemiologist with 15+ years of experience supporting physicians, researchers, universities, and healthcare organizations. I've contributed to 100+ peer-reviewed publications and specialize in transforming complex data into clear, accurate, reviewer-ready results. My expertise includes: ✔ Clinical trials & observational studies ✔ Biostatistics & epidemiology ✔ Regression, mixed models, GEE, survival (Cox/KM) ✔ Predictive modeling & machine learning ✔ Sample size & power analysis ✔ Statistical Analysis Plans (SAPs) ✔ REDCap, EHR, survey & large healthcare datasets ✔ Manuscripts, dissertations & grant proposals Software: Stata | SAS | R | SPSS | REDCap | PASS | NVivo I deliver accurate, reproducible, publication-quality statistical analyses with clear interpretation and fast communication. Whether you're preparing a manuscript, grant, dissertation, or clinical study, I'm here to help you get it done right.

Hi, I’m Dr. Soleyman Paydar — a Statistician & Data Analyst with 17+ years of experience. I specialize in performing high-quality statistical analyses for academic, medical, and business research, and I have extensive experience preparing complete data analysis chapters for Master’s and PhD dissertations. My services include: • Comprehensive data analysis using SPSS, AMOS, and SmartPLS • Clear interpretation of quantitative results • Full APA-formatted reporting, including tables, figures, citations, and narrative explanations ready to insert into your thesis or manuscript • Guidance on methodology, research design, and statistical justification • Free initial consultation to discuss your research needs and determine the best statistical approach With a strong background in advanced statistical modeling, SEM, PLS-SEM, multivariate analysis, and non-parametric methods, I ensure your results are accurate, defensible, and aligned with academic standards. I’m committed to delivering professional, timely, and high-quality work. Feel free to reach out—I look forward to supporting your research success. Very Respectfully, Dr. Soleyman Paydar

I help PhD researchers, healthcare teams, NGOs, and academic institutions transform complex interview and focus group data into rigorous, publication-ready qualitative findings. With 10+ years of experience in qualitative research, I specialize in thematic analysis, framework analysis, grounded theory coding, and qualitative synthesis using NVivo and MAXQDA. My work goes beyond basic coding. I develop structured analytical frameworks aligned with research questions, study objectives, and publication standards. I have successfully supported academic, healthcare, and policy research projects involving large qualitative datasets, including interviews, focus groups, program evaluations, and doctoral research studies. Services I Provide: • NVivo & MAXQDA coding and qualitative data management • Thematic Analysis (Braun & Clarke) • Grounded Theory & inductive/deductive coding • Framework Analysis and theme development • Interview and focus group analysis • Research synthesis and qualitative reporting • Reviewer-response support and manuscript revision assistance • Qualitative findings interpretation and presentation Areas of Expertise: • Healthcare & Public Health Research • Policy & Program Evaluation • Academic & Doctoral Research Support • Social Science & Applied Research Projects Why Clients Work With Me: • 100% Job Success Score on Upwork • Extensive experience with large interview datasets • Strong track record in long-term hourly projects • Clear communication and structured analytical processes • High attention to methodological rigor and detail • Reliable delivery of well-organized, publication-focused outputs If you need a qualitative research specialist who understands both the technical and methodological aspects of qualitative analysis, I would be glad to support your project.