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I turn complex data into clear insights, accurate predictions, and better business decisions. With 17+ years of experience, I help clients solve real problems using Data Analytics, Machine Learning, and AI. I deliver end-to-end data solutions — from data cleaning and statistical analysis to advanced modeling and interactive dashboards. My background in large-scale research and monitoring ensures high-quality, reliable, and actionable results. ⭐ What I Can Do for You ✔ Clean, validate, and analyze complex datasets ✔ Build predictive models (Machine Learning & forecasting) ✔ Perform advanced statistical analysis ✔ Create dashboards (Looker Studio / Excel) ✔ Deliver clear reports with actionable insights 🛠️ Data Analytics, Machine Learning & AI Expertise 📊 Data Analysis & Statistical Modeling • Hypothesis testing (t-test, ANOVA, chi-square, non-parametric tests) • Regression (linear, logistic, multivariate) • Correlation and multivariate analysis • PCA, factor analysis, clustering • Data cleaning, validation & transformation 🤖 Machine Learning & Predictive Modeling • Tree-based models: Decision Tree, Random Forest • Advanced models: Gradient Boosting (XGBoost, LightGBM) • Regression & classification • Clustering & segmentation (K-means, hierarchical) • Model evaluation: cross-validation, ROC-AUC, accuracy metrics • Feature engineering & selection • Time series forecasting • Scalable modeling using PySpark (big data) 📈 Data Visualization & Dashboards • Interactive dashboards (Looker Studio, Excel) • Heatmaps, trend analysis, and correlation insights • Visualization using ggplot2, Plotly, and Matplotlib • Clear data storytelling for decision-making ⚙️ Tools & Technologies Python | R | SPSS | Excel | SQL | PySpark

I build custom R Shiny dashboards, AI-assisted data tools, and web applications that help teams explore data, automate reporting, and make better decisions. With 60+ completed Upwork projects, 1,100+ hours, 100% Job Success, and Top Rated status, I specialize in turning complex data, Excel files, research workflows, and business processes into clean, interactive tools that are easy to use and maintain. I can help with: • Custom R Shiny dashboards and web apps • AI-assisted dashboards, chatbots, and data exploration tools • OpenAI/API integration inside Shiny apps • Interactive charts, tables, maps, and filters • Clean UI using CSS, JavaScript, HTML, bslib, and shinydashboard • R Markdown, Quarto, and automated reports • Data cleaning, transformation, and visualization • Database-connected Shiny apps • Debugging, refactoring, and improving existing Shiny apps • Deployment support and app maintenance Clients usually work with me when they need more than a basic dashboard. I can help plan the app structure, build the reactive logic, improve the UI, clean the data workflow, add useful AI features, and make the final app easier for users to understand. I have worked on Shiny apps for business dashboards, research tools, scheduling systems, economic models, flow cytometry data, maps, CRUD apps, AI-assisted tools, and data visualization platforms. I was also a Shiny Contest finalist, which reflects my focus on building useful, polished, and well-designed Shiny applications. Please note: I do not take academic assignments, exams, or homework projects. If you need a reliable R/Shiny developer for a dashboard, data app, AI-assisted workflow, or reporting tool, I would be happy to help.

Hello, I am a Datacamp certified professional Data Scientist and Analyst with extensive experience in data analysis and management. I am proficient in R, Python, MATLAB, and PostgreSQL. My expertise lies in data visualization, statistical analysis, data modeling, and machine learning. I have a strong understanding of database design and management, and have experience working with large datasets. I am committed to delivering high-quality work that meets the needs of my clients. I am a detail-oriented and analytical thinker who is passionate about finding insights in data. I pride myself on my ability to communicate complex ideas in a clear and concise manner. If you are looking for a skilled and reliable Data scientist who can help you make data-driven decisions, then look no further. I am confident that I can provide you with the support you need to achieve your goals. Let's work together to unlock the potential of your data!

I am a skilled R/Shiny developer with over six years of experience creating customized applications for a range of clients. With a background in statistics, I can apply data-driven insights to create functional and user-friendly apps that meet specific business needs. I can handle every aspect of Shiny app development, from design to deployment. In addition to my experience with R/Shiny, I also have a strong background in creating REST APIs using Plumbr. I am proficient in connecting Shiny apps with REST APIs and databases, enabling seamless data exchange between different systems. Furthermore, I am well-versed in enabling user authentication and authorization using Auth0, ensuring secure and reliable access to sensitive data. I take pride in creating unique and visually appealing apps by utilizing my knowledge of HTML and CSS. As a passionate computer nerd, I am always excited to learn about new technologies and apply them in my work. Feel free to reach out to me if you have any questions or if you would like to work together.