👋 Hi, I’m Joseph Mburu Nuthu — a Certified Data Analyst and Statistician with over 6 years of experience helping students, researchers, and professionals make sense of their data through quantitative research and statistical analysis. Whether you need support with your academic thesis, dissertation, survey analysis, or a professional research report, I’m here to deliver precise, reliable, and well-documented results. 🎯 What I Offer: Survey Design & Analysis – Crafting reliable questionnaires and performing descriptive and inferential analysis. Statistical Analysis – T-tests, ANOVA, correlation, chi-square, regression, reliability testing, factor analysis, and more. Academic Research Support – Full assistance with methods, analysis, and results chapters following APA, Harvard, and other styles. Data Cleaning & Preparation – Organizing and validating your dataset for accurate analysis. Interpretation & Reporting – Clear explanation of findings with visual aids such as charts and tables. 🧪 Tools I Use: SPSS, R, RStudio, SAS, Minitab, Excel, JAMOVI, JASP, SmartPLS, AMOS, STATA 📚 Fields of Expertise: Public Health, Psychology, Education, Business, Economics, Environmental Studies, and other social sciences. 💡 Why Clients Choose Me: Strong academic and applied statistics background (PhD in Statistics) Timely delivery and clear communication Accurate, publication-ready outputs Proven track record on Upwork with consistent 5-star reviews 📈 Whether you're a student working on a dissertation, a researcher analyzing survey data, or a professional needing expert statistical support, I’m ready to help you turn data into insight. Let’s collaborate and make your research a success!

🏆 Microsoft Certified Data Engineer and Analyst 🏆 Senior Data Engineer and Analyst with over 10 years of experience I am a Senior Data Engineer and Analyst specializing in building scalable data pipelines, designing data architectures, and delivering impactful dashboards. My expertise spans data integration, transformation, and analytics, ensuring optimized and actionable solutions tailored to business needs. Expertise includes: 🔶 Data Engineering & Architecture: ● ETL Mastery: Expert in cloud-based ETL tools such as AWS Glue, Azure Data Factory, GCP Data Fusion, and Snowflake ELT workflows for seamless data ingestion, transformation, and loading. ● SQL Proficiency: Mastery of SQL query optimization, advanced joins, window functions, and stored procedures across T-SQL, MySQL, PostgreSQL and Snowflake SQL (micro-partition pruning, clustering, semi-structured data queries). ● Data Pipeline Orchestration: Experienced in using workflow management tools like Apache Airflow and Snowflake Tasks to automate and monitor data pipelines efficiently. ● Data Warehousing: In-depth experience with Snowflake, Redshift, and BigQuery, including dimensional modeling and normalization best practices. 🔶 Data Analysis & Dashboard Development: ● Power BI: Skilled in creating dynamic, interactive reports using centralized datasets, PowerQuery, DAX measures, and Python scripting for complex data transformations. ● Tableau: Advanced expertise in integrating diverse data sources, creating calculated fields, and developing visually compelling dashboards. ● Looker: Proficient in LookML for data modeling, custom visualization, and embedding analytics for seamless integration with business workflows. ● Real-Time Insights: Delivered actionable dashboards connected directly to cloud-based sources for up-to-date analytics. 🔶 Cloud Platform Expertise: ● AWS: Advanced knowledge of Lambda, Glue, S3, and Redshift for scalable and secure data processing. ● Azure: Extensive experience with Function Apps, Synapse, Data Factory, and Data Lake Gen 2 for robust data solutions. ● GCP: Expertise in BigQuery, Cloud Functions, Data Fusion, and Looker for analytics and data management. ● Snowflake: End-to-end warehouse development including schema design, performance tuning, ELT, RBAC security, semi-structured data (VARIANT), Streams & Tasks, external tables, and cost optimization 🔶 Data Governance & Transformation: ● Strong Python scripting skills for automation, API integration, and advanced data cleansing. ● Hands-on experience with tools like Pandas Profiling, OpenRefine, and Trifacta Wrangler for data profiling, quality assurance, and anomaly detection. ● Proficient in implementing secure access controls using IAM roles, Lake Formation, and APIs, as well as Snowflake RBAC, masking policies, and secure data sharing for governance and compliance. 🔶 API Integration & Automation: ● Built and managed data pipelines for platforms such as Stripe, AWS, and Google Analytics. ● Integrated APIs to extract, transform, and load data seamlessly into analytics platforms. ● Automated complex workflows using Python and cloud-native tools, ensuring efficiency and scalability. I am passionate about delivering data solutions that not only meet but exceed client expectations. Let’s collaborate to turn your data into a powerful asset for strategic decision-making! Thank you for your time!

🏆 Top Rated | 100% Job Success Score | 4.9⭐ Rating | 42+ Projects Delivered Are you searching for an eBook writer, ghostwriter, or academic writing expert who delivers publish-ready, polished work — on time, every time? You've found her. I'm Shahzana — a professional eBook writer, ghostwriter, academic writer, and editor with 8+ years of experience helping authors, entrepreneurs, students, and publishers turn their ideas into high-quality, market-ready manuscripts. Whether you need a complete eBook written from scratch, a dissertation polished to perfection, or a KDP-formatted manuscript ready for Amazon — I deliver results that speak for themselves. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📚 eBOOK WRITING & GHOSTWRITING SERVICES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Looking for a professional eBook writer or ghostwriter for your next project? I write compelling, well-researched, and beautifully structured eBooks across all non-fiction niches: ✅ eBook Writing (non-fiction, how-to, self-help, business, health, lifestyle) ✅ Ghostwriting — I write in YOUR voice, you keep 100% ownership ✅ eBook Editing & Developmental Editing ✅ eBook Proofreading & Final-Pass Review ✅ eBook Formatting for Amazon KDP, Kindle, and self-publishing platforms ✅ Children's Books, Lead Magnet eBooks, and Short-Form Kindle Books ✅ Book Proposal & Synopsis Writing Whether you're a first-time author, a KDP self-publisher, or an entrepreneur building authority with a book — I'll deliver a manuscript you're proud to put your name on. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🎓 ACADEMIC WRITING & DISSERTATION SUPPORT ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Need an academic writer for your thesis, dissertation, or research paper? I provide expert academic writing support for Bachelor's, Master's, and PhD-level students worldwide: ✍️ Dissertation Writing (full or chapter-by-chapter support) ✍️ Thesis Writing & Research Proposal Development ✍️ Literature Review Writing (with proper synthesis, not just summaries) ✍️ Research Paper Writing & Essay Writing ✍️ Systematic Literature Reviews (SLR) & Methodology Sections ✍️ Case Studies, Annotated Bibliographies & Report Writing ✍️ Academic Editing, Proofreading & Plagiarism-Free Rewrites 🔶 Citation & Formatting Expertise: APA 7th Edition | MLA 9th Edition | Harvard | Chicago | Turabian | IEEE | Vancouver All academic work is 100% original, thoroughly researched, and written to your institution's exact requirements. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✏️ PROFESSIONAL EDITING & PROOFREADING SERVICES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Already have a draft? I'll make it shine. My editing and proofreading services cover every level of revision: 🔍 Developmental Editing — big-picture structure, flow, argument, and narrative 🔍 Line Editing — sentence clarity, rhythm, word choice, and readability 🔍 Copy Editing — grammar, punctuation, consistency, and style guide compliance 🔍 Proofreading — final-pass review before publishing or submission 🔍 Academic Proofreading — thesis proofreading, dissertation proofreading, research paper editing 🔍 Book Editing for self-published authors and KDP publishers I edit fiction, non-fiction, academic papers, business reports, blog content, and Kindle books. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📦 AMAZON KDP & SELF-PUBLISHING SERVICES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ From manuscript to published book — I handle the full Amazon KDP workflow: 📌 KDP Manuscript Formatting (eBook + paperback print-ready files) 📌 Kindle eBook Formatting (.epub / .mobi / KDP-compliant) 📌 Clickable Table of Contents (Amazon KDP standard) 📌 Front Matter & Back Matter (copyright page, dedication, author bio) 📌 Amazon Self-Publishing Guidance & Metadata Optimization 📌 Book Cover Brief Writing & Blurb Copywriting ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🌟 WHY CLIENTS CHOOSE ME — AND COME BACK ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🏆 Top Rated on Upwork — awarded to the top tier of freelancers based on consistent quality ✅ 100% Job Success Score — every project delivered to full client satisfaction ⭐ 4.9-Star Rating across 22 verified client reviews 📁 42+ Completed Projects spanning eBook writing, academic writing, ghostwriting & editing 🔒 Full Confidentiality — NDAs available, ghostwritten work stays 100% yours ⏰ On-Time Delivery — I communicate proactively and respect every deadline 🔁 Revisions Included — I don't consider a project done until you're fully satisfied 🗣️ Your Voice, Your Book — ghostwritten content sounds exactly like you, not a template 📝 100% Human Writing — no AI-generated content, no plagiarism, no shortcuts ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 👥 WHO I WORK WITH ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ → First-time authors turning an idea into a published eBook → Entrepreneurs & coaches building authority with a business book → Amazon KDP & Kindle publishers needing fast, formatted, publish-ready content → Students under dissertation or thesis deadline pressure → Researchers needing literature reviews, methodology ch

I help research, healthcare, education, and behavioral science teams turn complex data into clear findings, publication-ready reports, dashboards, and AI-enabled tools. I bring a rare mix of PhD-level statistical training and hands-on AI/data engineering. My background includes 200+ Upwork jobs, Top Rated status, published academic research, graduate-level statistics teaching, grant evaluation work, and current work as a Lead Data Science & Analytics Architect for a VA-facing behavioral health chatbot. I can help with: - Statistical analysis in R, Python, SPSS, JASP, or Stata - APA-style results sections, tables, figures, reports, and presentations - Regression, GLM, multilevel models, SEM/factor analysis, mediation, power analysis, meta-analysis, and ML models - Survey data cleaning, coding, visualization, and interpretation - Dashboards in Power BI, Tableau, R Shiny, or Microsoft Fabric - AI agents, RAG/GraphRAG workflows, NLP, Azure AI, and Microsoft Copilot Studio solutions My clients usually come to me when they need more than a quick chart. They need analysis that is technically sound, clearly explained, and ready for stakeholders, reviewers, funders, or product teams. Send me your research question, dataset, analysis plan, or AI/data product idea, and I'll help clarify the best next step.

I bridge the gap between rigorous economic theory and cutting-edge technology. As a PhD-level Behavioral Economist, I specialize in improving the accuracy of Generative AI models for financial and economic forecasting for global leaders, including Google, Microsoft, and Amazon. My expertise encompasses model evaluation, RLHF, and strategic AI implementation within the finance industry. Additionally, I provide high-level academic consulting for scholars and doctoral candidates. I specialize in the complex stages of the publishing cycle, including original manuscript development, dissertation coaching, and navigating "revise and resubmit" requirements for elite journals such as the Strategic Management Journal and Academy of Management Journal. Consultation Policy: I offer a free 15-minute introductory meeting to discuss your goals. For complex projects—specifically those requiring document reviews or substantive research strategy—please book a consultation. * 30-Minute Consultation: Reserved for non-research projects. * 60-Minute Consultation: Required for all research-based academic or corporate projects. Estimated project costs are provided exclusively following a formal consultation to ensure an accurate assessment of your specific needs.

I help Masters/PhD students, academic researchers, and corporates turn messy data into publication-ready results, automated pipelines, and defensible insights — on time and with zero hand-holding.Bachelor’s-trained Applied Statistician (currently completing Master’s in Research Methods) with 10+ years delivering qualitative & quantitative analysis, systematic reviews & meta-analyses, statistical modeling, machine learning, and end-to-end data engineering. For students & researchers I deliver: 1. Full thesis/dissertation statistical support: data cleaning, power analysis, regression, survival, multilevel modeling, factor analysis, SEM in R, Stata, SPSS, or Python. 2. NVivo qualitative coding, thematic analysis, and mixed-methods integration. 3. Complete systematic reviews and meta-analyses (PRISMA-compliant, ready for journal submission — I recently delivered one in under 5 weeks). 4. Reproducible code + results sections that survive supervisor and reviewer scrutiny. For corporates I deliver: 1. Reliable data pipelines using dbt, Airbyte, Dagster, and Soda for automated ETL, quality monitoring, and scalable analytics. 2. Machine learning models (random forests, gradient boosting, clustering) and dashboards that actually drive decisions. My key tools are: R, Python, Stata, SPSS, Nvivo, Excel, dbt, Airbyte, Dagster, Soda, PowerBI

I received my masters and phd degree from the University of Texas at Austin in economics. I have over 10 years of experience in econometric data analysis. I can manipulate and analyze data in excel, Stata and SPSS. From simple data analysis to advanced econometric techniques I can help in your homeworks, projects, masters or PhD thesis. I am familiar with cross section, panel and time series econometric techniques. I have many published papers. I have also great deal of teaching experience. I can teach almost in all fields of economics.

I’m a PhD-qualified research and data science expert with 15+ years of experience in academic, business, and donor-funded research. I provide data-driven insights, advanced data analysis, academic publishing support, and Open Journal Systems (OJS) setup for institutions, startups, and research teams. With a portfolio of 40+ peer-reviewed publications and projects spanning the USA, Saudi Arabia, UAE, and Malaysia, I offer deep subject expertise in entrepreneurship, education, leadership, management, and social sciences. Services I offer: ✅ Market Research & Business Intelligence — Market research, trend analysis, online desk research — Google search term analysis, competitor profiling — Business and academic reports with clear data visualization — Big data insights (including blockchain) for strategic decision-making ✅ Quantitative Research & Statistical Analysis — Research design: Quasi-experimental, Survey-based studies — Exploratory & Confirmatory Factor Analysis (EFA, CFA) — SEM, Regression, z-test, t-test, CR, AVE, Mediation, Moderation, Cluster Analysis — Sample size calculation, Validity & Reliability testing — Tools: IBM SPSS, SmartPLS, STATA, Excel Pivot Tables — Proficient in questionnaire design and psychometric validation ✅ Qualitative Research & Thematic Coding — Thematic analysis, grounded theory, IPA, action research — Interview and FGD protocol design, coding, category development — Manual and NVivo-based qualitative data analysis — Support for mixed-method research and narrative synthesis ✅ Systematic Literature Review & Bibliometric Analysis — SLR using Scopus and Web of Science databases — Bibliometric and network analysis with VOSviewer — Extraction of first-order and second-order themes — Integration of findings into publishable frameworks ✅ Academic Writing & Journal Publication Support — Manuscript co-authoring, peer-review response writing — Formatting & referencing as per journal guidelines (APA, MLA, Chicago, etc.) — Research paper editing, proofreading, and submission readiness — Deep understanding of publication ethics and scholarly standards ✅ OJS Journal Setup & Editorial Consultancy — Complete setup of Open Journal Systems (OJS/PKP) — Workflow design for editors, authors, and reviewers — Plugin configuration, metadata structure, and journal policy guidance — Training and support for smooth OJS operations and indexation readiness If you’re looking for research-based insights, expert data analysis, or help with setting up a professional research journal, feel free to connect.

Advanced Statistical Modeling, Machine Learning & Data-Driven Automation Solutions I provide expertise in econometric analysis, advanced statistical modeling, and machine learning to transform complex data into meaningful insights. Using professional analytical tools, I support academic research, policy analysis, and data-driven business decision-making. I work with software such as IBM SPSS Statistics, Stata, Python, R, and Eview to deliver reliable and reproducible analytical results. 🔵END-TO-END DATA SOLUTIONS DATA PREPARATION 🔹Data cleaning and transformation 🔹Handling missing values 🔹Coding and recoding variables 🔹Dataset restructuring and validation STATISTICAL & ECONOMETRIC ANALYSIS 🔹Descriptive statistics (mean, SD, skewness, kurtosis) 🔹Regression analysis (OLS, Logit, Probit, Time Series) 🔹Hypothesis testing (t-test, ANOVA, Chi-square) 🔹Correlation and reliability analysis 🔹Econometric modeling (ARIMA, VAR, VECM) 🔹Survey analysis and Likert-scale data interpretation VISUALIZATION & REPORTING 🔹 Professional charts, dashboards, and statistical tables 🔹Clear interpretation of statistical outputs 🔹 APA-style reporting for academic research 🔹Thesis and dissertation statistical support 🔹Well-structured and publication-ready reports 🔵 WHAT YOU CAN EXPECT ✔ Fast delivery ✔ Clear explanations ✔ Revisions to ensure clarity and satisfaction ✔ Professional formatting ✔ Full confidentiality 🔵 SOFTWARE I USE 📌SPSS 📌Stata 📌Excel / Power Query / Power BI 📌Python (Pandas, NumPy, Statsmodels, Matplotlib) 📌RStudio ⭐WHY CLIENTS WORK WITH ME ✔ Clear, accurate, and reproducible results ✔ Fast delivery with consistent communication ✔ Experience supporting academic and organizational research ✔ Ability to explain complex statistical concepts clearly ✔ High-quality graphs, tables, and structured documentation Whether you're working on a research project, academic paper, or business report, I’ll deliver accurate and actionable results—on time.

I’m a professional statistician who holds a Bachelor and Master degree in statistics with over seven years working experience. I have excellent expertise in data analysis using SPSS, STATA, MEGASTAT, Minitab, Eviews, MS Excel and R Studio. I have experience in Data mining, Data Data analysis and Statistical report writing, financial data collection, and providing inaccessible research articles. As a freelancer, I understand the importance of quality work, prompt delivery, and effective communication. So, be confident to contact me for your research and data analysis-related works.