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👋 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!

Clients come to me when the numbers have to be right. Not approximately right. Not good enough for now. Right. That standard is why businesses rely on my models for real decisions, why researchers trust me with peer-reviewed work, and why clients across healthcare, finance, marketing analytics, environmental science, and government research keep coming back. With 4+ years delivering analysis that holds up under expert review and scales across industries, one principle drives every engagement: the method always follows the problem. ________________________________________ What I Deliver ________________________________________ 📊 Statistical analysis and modelling: regression, ANOVA, hypothesis testing, EFA/CFA, SEM, cluster analysis, survival analysis, longitudinal modelling, and Bayesian hierarchical models and meta-analysis. 🤖 Data science and machine learning: predictive modelling, classification, clustering, time series forecasting, NLP, and sentiment analysis in Python and R, from raw data through to documented, deployable output. ✨Qualitative and mixed-methods research: thematic and content analysis in NVivo, ATLAS.ti, and MAXQDA; survey design, psychometric validation, and scale reliability testing. 📈 Business intelligence and analytics: Power BI and Tableau dashboards, A/B testing, financial modelling, KPI reporting, and operational analytics across corporate, government, and research settings. 🎓 Research and academic consulting: study design, sampling strategy, methodology development, results interpretation, and formatted output across healthcare, education, environmental science, social research, and doctoral projects. ------------------------------------------------------------------------------------------------------ ⚙️Tools: R, Python, SPSS, Stata, SAS, SQL, MATLAB, EViews, Minitab, Power BI, Tableau, Excel, NVivo, ATLAS.ti, MAXQDA, REDCap, Qualtrics, KoboToolbox, ODK, LaTeX, Jupyter, Git, AWS, Google Cloud, Azure. ------------------------------------------------------------------------------------------------------ ________________________________________ Where Most Analysts Fall Short ________________________________________ Most data projects fail at interpretation, not analysis. The model runs, the output is generated, and then nobody can explain what it means or what to do with it. That is the gap I close. Every deliverable includes documented methodology, transparent assumption testing, plain-language interpretation, and results structured for the audience that will use them, whether that is a business stakeholder, a doctoral committee, or a peer reviewer. I ask the questions most analysts skip, flag problems before they become expensive, and communicate clearly at every stage of the project. My Upwork record reflects this: a 100% Job Success Score, a 5.0 rating, and returning clients. Not because the work was fast or cheap, but because it was correct. ✅ Send me your project brief. I respond within 24 hours.

Turn your raw data into clear, actionable insights—whether for business growth or rigorous research. Data is only valuable if you can understand it. If you are struggling with messy datasets, complex statistical models, or manual reporting, I am here to help you find the answers hidden in your data. I am a verified Data Scientist specializing in end-to-end data analysis, advanced statistical modeling, and interactive visualization. From cleaning disorganized databases to building corporate dashboards and writing comprehensive research reports, I deliver clear, accurate, and professional results. Core Services I Provide: 1. Advanced Statistical Analysis: Hypothesis testing, regression modeling, ANOVA, and factor analysis using IBM SPSS, Stata, and R. 2. Business Intelligence & Dashboards: Building interactive, automated Power BI and Excel dashboards to track key performance metrics. 3. Data Automation & Machine Learning: Writing clean Python scripts (Pandas, NumPy, Scikit-learn) to automate manual workflows and build predictive models. 4. Survey & Research Analysis: Cleaning survey data, interpreting consumer trends, and writing executive summaries or academic-grade reports. The Tech Stack I Master: 1. Statistical Tools: IBM SPSS, Stata, R Studio, Jamovi, SAS 2. Programming: Python, SQL 3. Visualization: Power BI, Microsoft Excel, PowerPoint No matter how messy your dataset is, I will deliver clean code, clear charts, and professional reports.Click the "Invite to Job" or "Message" button on the top right to discuss your project goals today!

Greetings! I am a Research Data Analyst with 7 years of experience in Statistical Analysis, Modelling, and Data-Driven Research. My work focuses on converting complex datasets into meaningful insights that support strategic decisions and real-world impact. Key Skills and Expertise: ✅ Data Collection & Processing: I have extensive experience designing and managing data collection systems that ensure accuracy, consistency, and scalability. From raw data cleaning to structuring large datasets, I focus on building reliable foundations for analysis. ✅ Statistical Analysis: My proficiency in statistical analysis allows me to interpret complex data sets and apply advanced statistical techniques. I am adept at using statistical software for data analysis, interpretation, and visualization, including but not limited to R, Python, Excel, and SPSS. ✅ Statistical Modelling: I have a strong background in statistical modelling, which enables me to predict future outcomes based on historical patterns. This skill has proven invaluable in strategic planning and forecasting. ✅ Machine Learning & Predictive Modelling: As a Research Data Analyst, I am well-versed in machine learning techniques, predictive modelling, and data mining. This allows me to uncover relevant insights and trends that can drive business growth and improve operational efficiency. Communication Skills: In addition to my technical skills, I bring strong communication skills to the table. I am able to present complex data in a clear and understandable manner, making it accessible to both technical and non-technical stakeholders. Let’s Connect! I am always eager to take on new projects and to help businesses make data-driven decisions. If you’re looking for someone who can turn complex data into clear insights, let’s connect!

I am a Statistical Analyst with over 6 years of experience supporting researchers, healthcare professionals, organizations, and businesses with data analysis, survey research, and evidence-based decision-making. I specialize in transforming complex datasets into clear, actionable insights using Stata, SPSS, R, Python, SQL, and Power BI. I have worked with clients across 15+ countries, delivering statistical analysis, predictive modeling, dashboard development, and publication-ready research outputs for academic, healthcare, government, and private-sector projects. Core Services: •Survey data analysis and interpretation •Statistical modeling and hypothesis testing •Regression analysis (linear, logistic, multinomial, survival analysis) •Public health and healthcare data analysis •Research methodology and study design •Data cleaning, management, and validation •Power BI and Tableau dashboards •Predictive analytics and forecasting •Academic and publication support Tools & Software Stata | SPSS | R | Python | SQL | Power BI | Tableau | Excel | SAS | NVivo Datasets & Research Experience NHANES | SEER | MIMIC-IV | NAMCS | NHAMCS | CDC WONDER | World Bank Data | Survey and Administrative Datasets

I am a Data Analyst with expertise in transforming raw data into meaningful insights that support informed decision-making. Skilled in Python, R, SQL, Excel, SPSS, Minitab, STATA, Power BI, and Tableau, I provide end-to-end analytical solutions, including data cleaning, visualization, statistical modeling, predictive analytics, and machine learning. I apply a wide range of inferential statistical techniques such as hypothesis testing, confidence intervals, ANOVA, regression analysis, correlation, chi-square tests, t-tests, and non-parametric methods to ensure that findings are accurate, reliable, and data-driven. In trading research, I use machine-learning models for market prediction, strategy evaluation, risk analysis, and performance optimization. I help organizations uncover trends, optimize performance, and forecast outcomes through advanced analytics, interactive dashboards, and evidence-based, data-driven strategies. Specialized In: • Data Cleaning & Preprocessing • Data Visualization (Power BI, Tableau, Excel) • Statistical Analysis & Hypothesis Testing • Predictive Modeling & Machine Learning • Business Intelligence & Reporting • Big Data Analytics & Forecasting Why Collaborate With Me? ✅ Proven Expertise – Skilled in Python, R, SQL, Excel, Power BI, and Tableau for end-to-end data solutions. ✅ Data-Driven Insights – I turn complex datasets into clear, actionable intelligence for smarter decision-making. ✅ Custom Solutions – Tailored analytics and dashboards aligned with your business goals. ✅ Strong Communication – Transparent updates and clear explanations of technical results. ✅ Timely Delivery – Committed to meeting deadlines without compromising quality. ✅ Innovation Focused – Experienced in predictive analytics and machine learning to forecast outcomes. ✅ Business Value – My work helps reduce costs, identify opportunities, and support growth.