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I am a data-driven professional who transforms raw data into actionable insights and intelligent solutions. Using Python and R, I handle everything from exploratory analysis to machine learning and predictive modeling. I also build deployment-ready interactive dashboards and analytical applications that support clear, confident decision-making My Services: Data Analysis & Reporting - Analyze real-world datasets to uncover patterns, trends, and actionable insights - Deliver clear, decision-focused reports using Word, R Markdown, and Jupyter Notebooks Python & R Analysis - Build reliable, reproducible analysis workflows in Python and R - Translate spreadsheet-based models and calculations into scalable code - Perform text and sentiment analysis, including NLP preprocessing and feature extraction Machine Learning & Predictive Modeling - Develop and apply supervised and unsupervised machine learning models - Perform clustering, segmentation, and pattern discovery - Combine multiple approaches into practical, hybrid solutions Dashboards & Analytical Applications - Design and build interactive dashboards and analytical web applications - Develop full R Shiny apps with structured server logic and clean user interfaces - Build end-to-end pipelines from raw data (including Excel inputs) to live dashboards and Power BI reports What You Can Expect - Clear communication and structured delivery - Solutions built for real use, not just one-off analysis - Strong attention to accuracy, clarity, and scalability - A problem-solving approach focused on your goals, not just tools Whether you need deep data analysis, predictive modeling, or an interactive dashboard to monitor performance, I bring a structured and analytical approach to every project. My goal is not just to analyze data but to help you understand it, trust it, and use it effectively. Data Scientist | Data Science | Python | R Programming | Machine Learning (ML) | Predictive Modeling | Statistical Analysis | R Shiny | R Shiny Apps | Shiny Dashboard Development | Shiny App Developer | Interactive Dashboards | Data Visualization | Power BI Dashboards | Business Intelligence (BI) | Performance Reporting | Natural Language Processing (NLP) | Text Analysis | Sentiment Analysis | Topic Modeling | Data Cleaning | Data Transformation | Reporting & Insights | Business Insights Thank You!

Hi, I'm a Statistical and Medical Data Analyst with 6+ years of experience delivering accurate, well-structured insights for academic, medical, and public health research. I specialize in predictive analytics, statistical modeling, time series forecasting, and econometrics, using advanced tools to turn complex data into clear, publication-ready results. Whether you're working on a thesis, journal article, grant analysis, or clinical project, I help you design models, perform robust analysis, and present your findings with clarity and precision. What I Offer: - Statistical analysis for medical, clinical, and epidemiological studies - Predictive models using machine learning and econometrics - Support for academic research, dissertations, and survey-based studies - Clean and insightful reports with graphs, interpretation, and proper formatting - Formatting in APA, MLA, Harvard styles for research papers and manuscripts Core Expertise: - Regression Models: Linear, Logistic, Multinomial, GLMs, Mixed-Effects - Machine Learning: Random Forest, XGBoost, SVM, k-NN, Ensemble Models - Time Series: ARIMA, SARIMA, GARCH, ETS, Holt-Winters - Econometrics: Panel Data, Cointegration, VAR, IV Regression, GMM - Bayesian Analysis: MCMC, Hierarchical Models, Inference - Text Mining/NLP: Sentiment Analysis, Classification (R & Python) - Hypothesis Testing: T-tests, ANOVA, Chi-Square, Non-parametric Methods - Data Diagnostics: Normality, Multicollinearity, Autocorrelation, Outliers - Optimization: Genetic Algorithms, PSO, Simulated Annealing Tools I Use: - R, Python, SPSS, Stata, Minitab, Excel - GraphPad Prism, EViews, MLwiN (as needed) - R Markdown & LaTeX for dynamic, reproducible reports What You Can Expect: - Accurate and reliable statistical output - Strong attention to detail and academic standards - Clear explanations and visualizations for non-technical readers - Timely delivery and full confidentiality - Support tailored to your specific goals 📬 Let’s connect and discuss how I can support your data analysis needs or research goals.

⭐⭐⭐⭐⭐ What Clients Say About Me "Sameer has been one of the most valuable members of our team. He's highly creative, hardworking, and consistently goes the extra mile - even when tackling something he hasn't done before." - McGill University, Canada Hi there! 👋 I'm Sameer - a Biostatistician and Data Analyst helping medical researchers, clinicians, and academic teams turn raw data into clear, publication-ready findings. From clinical trials and patient surveys to longitudinal studies and health outcomes research, I deliver the statistical rigor your study needs - along with written interpretations that explain what your results actually mean. 📊 What I Do ⭐️ Statistical Analysis — t-tests, Mann-Whitney U, ANOVA, MANOVA, regression, correlation, and predictive modeling ⭐️ Clinical & Survey Research — PROMs (KOOS, WOMAC, SF-12, UCLA), longitudinal tracking, pre/post studies ⭐️ Data Cleaning & Preparation — turning messy spreadsheets into analysis-ready datasets ⭐️ Written Interpretation — clear explanations of findings, limitations, and confounders you can drop into your discussion section ⭐️ Presentations — I prepare slide decks to walk your team through the findings 📈 Dashboards & Visualization Need more than a report? I build interactive dashboards in Power BI and Tableau, plus publication-quality charts (heatmaps, boxplots, trajectory plots) in R and Python. 💻 Tools Python · R · SPSS · STATA · Power BI · Tableau · Excel ✨ What Sets Me Apart ✅ Full involvement, no outsourcing — I personally handle every stage: design, analysis, visualization, and delivery ✅ Interpretation, not just numbers — you get the story behind the p-values, not a raw output dump ✅ Clear communicator — plain-language updates, no jargon walls ✅ EST timezone availability — overlapping hours for smooth collaboration 🛡️ Data Privacy I work with sensitive health data regularly and understand HIPAA requirements. Happy to sign an NDA before we start, and I can guide you on removing PHI from your dataset so we work with a clean, compliant file from day one. ✨ Let's Start ➡️ First, let's sign an NDA and then send me a sample of your data - I'll reply with an analysis plan and a quote ➡️ Prefer to talk? Book a free 15-minute discovery call ➡️ Bonus: Once we complete the analysis, I'll build your first Power BI dashboard FREE of charge Message me to get started.

I am a Statistician & Data Scientist with an MPhil in Applied Mathematics & Statistics and 6-8 years of experience in statistical data analysis, working with researchers, businesses, and academic institutions to turn raw data into validated, decision-ready results. I've worked as a Data Scientist, Statistical Analyst, and Quantitative Research Analyst across enterprise and academic projects, applying rigorous statistical analysis methods to solve real research and business problems, not just run templates. My Services: 1. Statistical Analysis (Hypothesis Testing, ANOVA, Regression Analysis) 2. Predictive Modeling (XGBoost, Random Forest, ARIMA) 3. Survey Data Analysis & Inferential Statistics (SPSS) 4. Time-Series Forecasting & Demand Analysis 5. Data Cleaning, Data Analysis & Data Engineering (SQL, Python, Pandas) 6. Quantitative Research & Sampling Methodology 7. Data Visualization & Dashboards (Power BI, Tableau, Excel) 8. Bayesian Statistics & Mathematical Modeling Software Proficiency: ✅ SPSS ✅ R, RStudio ✅ Python ✅ SQL ✅ SAS ✅ Power BI, Tableau ✅ Excel (Advanced) ✅ Stata With an MPhil in Applied Mathematics and hands-on experience translating complex statistical theory into clear, actionable insights, I've helped clients with customer churn prediction, market segmentation, demand forecasting, and academic research requiring peer-review-ready statistical analysis. My work has contributed to a 14% improvement in client retention and a 22% gain in inventory optimization through applied statistical modeling. I hold certifications in Databases and SQL for Data Science (IBM), Data Analytics (Coursera), and Data Science (Udemy), and I maintain a 5-StarScore across 39/40 completed projects on Upwork. Ready to start? Send me your dataset or a brief description of your project, and I'll help you turn your data into statistically sound, actionable results. Thank you. Nazia.

I help researchers, clinicians, and public health organizations turn messy datasets into clean, publication-ready analysis. My background is in epidemiology and public health — M.Phil with a 4.0 GPA, active researcher with peer-reviewed publications, and over four years of hands-on R programming across academic and international consultancy projects. I have worked with Health Security Partners on national AMR surveillance and with academic teams on COVID-19 modeling, sentiment analysis, and geospatial mapping. What I can do for you: — Statistical analysis in R: descriptive, regression, survival, time series, and epidemiological modeling — Sentiment analysis and topic modeling (LDA, VADER) on social media data — Geospatial analysis and choropleth mapping in QGIS — Research writing, report preparation, and systematic reviews — Data cleaning, wrangling, and visualization I communicate clearly in English (IELTS 7.5) and deliver on time. If you have a dataset, a deadline, and a research question — let's talk.

I'm a Data Analyst and Machine Learning Specialist with hands-on experience in delivering AI-powered solutions and actionable insights. I specialize in data analytics, web scraping and predictive modeling, helping businesses make smarter, data-driven decisions. - Skilled in Python, R, SQL, Excel, Google Sheet, Power BI and statistical analysis - Expert in web scraping and automation (BeautifulSoup, Selenium, Scrapy) - End-to-end solutions: from data collection to insights and visualization - Clean code, scalable workflows, and strong data ethics Whether you need a custom dashboard, a machine learning model or automated data scraping from websites I can help. Clear communication, timely delivery and client satisfaction are my top priorities. Let's connect and get started on your next data project!