I am currently working as a Research Assistant in the Faculty of Medicine at Wayamba University of Sri Lanka. I completed MSc in Biostatistics at the Postgraduate Institute of Agriculture (PGIA), University of Peradeniya. My academic background and research experience enable me to provide high-quality statistical analysis and research support. I have hands-on experience in research design, questionnaire development, data management, data cleaning, statistical analysis, interpretation of results, and scientific report writing. I have worked with undergraduate and postgraduate research projects across various disciplines and can help make your research process efficient and accurate. I have experience in Structural Equation Modeling (SEM), including developing conceptual models, measurement model assessment, structural model analysis, mediation analysis, reliability and validity assessment, and interpretation of SEM results. I am proficient in the following software: IBM SPSS R and RStudio SAS Minitab Eview STATA I have experience performing statistical analyses for cross-sectional, longitudinal, panel, and time-series data, depending on the research objectives. Some of the statistical techniques I frequently perform include: One-Sample t-test Independent Samples t-test Paired Samples t-test One-way ANOVA Two-way ANOVA Chi-square Test Pearson Correlation Spearman Rank Correlation Linear Regression Multiple Linear Regression Logistic Regression Ordinal Logistic Regression Poisson Regression Negative Binomial Regression Generalized Linear Models (GLM) Mixed-Effects Models Survival Analysis Structural Equation Modeling (SEM) Exploratory and Confirmatory Factor Analysis Reliability Analysis (Cronbach's Alpha, ICC) Principal Component Analysis (PCA) Cluster Analysis Time Series Analysis In addition to statistical analysis, I can assist with: Research proposal development Questionnaire design and validation Data coding, cleaning, and preparation Data visualization and presentation Interpretation of statistical outputs Preparation of publication-ready tables and figures Thesis, dissertation, and manuscript support I am committed to delivering accurate, reliable, and well-documented statistical analyses while meeting project deadlines. My combination of research experience, statistical expertise, and strong IT skills allows me to provide comprehensive support for academic and research projects.

Throughout my career as a biostatistician, I have had the honor of working on numerous high-profile projects at both the national and international levels. My area of expertise centers around the analysis of intricate data sets, allowing me to extract meaningful insights that can inform crucial healthcare decisions. My vast experience in the field has equipped me with the necessary skills to provide invaluable statistical guidance to any organization in need. I take pride in my ability to transform complex data into actionable recommendations that can drive positive outcomes. Areas of Experience ● Statistics, Biostatistics ● Statistical modeling ● Teaching statistics ● Design of surveys ● Machine learning ● Clinical trials ● Big data analysis ● Sample size calculation ● Longitudinal data analysis ● Reviewer for scientific journals ● Small Area Estimation ● Time series analysis ● Multivariate analysis ● Categorical data analysis ● Statistical advisor in post-graduate dissertations ● R, Shiny, RMarkdown, Rstudio, R programming, R debugging ● SPSS, STATA, SAS ● Meta-analysis

Greetings! I'm a Data Analyst with an experience of 4 years and a proven knack for transforming raw data into actionable insights that drive cost-efficiency and peak performance in large enterprises. My skill set encompasses an array of data tools and platforms, including, RStudio, SAS, SPSS, SQL, Google Data Studio, Tableau, Microsoft Power BI, Excel, Google Sheets, Google Analytics, Universal Analytics, Looker Studio, Posthog, and Databox. In my opinion, Data is ‘People’ and as we have data at every step of our routine, So, I am here to assist you to: 👉Ask questions to make data driven decisions. 👉To prepare the data for exploration. 👉To help process your dirty data to clean. 👉To answer all your queries and questions by analysing the data. 👉By Sharing the insights through the visualization and reports. 👉And, Finally, helping to deeply understand what the insights are conveying & suggesting you how to ACT for it. I specialize in deciphering complex data puzzles and crafting compelling narratives through visualization. With a relentless commitment to optimizing resources and fostering growth, I'm here to help your business make informed decisions that lead to sustainable success. Let's explore the untapped potential of your data! 🚀📊🌟

--- Why clients hire me --- • I'm hired because of my reputation for reliability, precise execution and high quality work. • With 7 years in corporate pricing, data and strategy, I don't just deliver analysis instead I deliver clean, accurate, decision-ready work that leaders can trust. • Every model, dashboard, analytics and report is built with attention to detail, logical structure and business relevance. --- What you get --- • Meticulously built models/dashboards/analysis/reports. • Pricing & performance clarity, not just charts. • Corporate level rigor: Structured, organised and on-time delivery. --- What I do best --- Data visualisation • Business performance tracking • Forecasting & statistical analysisi • Pricing analytics • Models development • Executive-ready decks • AI Services --- Tools --- Excel • Tableau • PowerBI • Python • PowerPoint

I am Muhammad Arfan, a highly motivated Statistician and Data Scientist from Pakistan, holding an M.Phil. in Statistics from the University of the Punjab, Lahore. With over 10 years of professional experience, I specialize in statistical analysis, data science, and intelligent data-driven solutions. I have strong expertise in data analysis, interpretation, report writing, and thesis supervision, helping individuals and organizations convert complex datasets into actionable insights and strategic decisions. My expertise spans across: Statistical Analysis & Mathematical Modeling Machine Learning & Predictive Analytics Artificial Intelligence (AI) & Deep Learning Data Science & Big Data Analytics Data Visualization & Dashboard Development (Power BI, Excel) Econometrics & Business Data Analysis Time Series Forecasting & Advanced Modeling Multivariate Analysis, ANOVA, MANOVA & Hypothesis Testing Survival Analysis & Statistical Quality Control Sampling Techniques & Survey Design I am proficient in a wide range of tools and technologies, including: Python (Pandas, NumPy, Scikit-learn, TensorFlow, Keras, PyTorch) R & RStudio SPSS, Stata, SAS, EViews, Minitab Microsoft Excel (Advanced Analytics & Dashboards) Power BI for Business Intelligence and Visualization In addition, I provide professional tutoring and mentorship in statistics, data science, and programming (R & Python), supporting learners from beginner to advanced levels. I am passionate about applying AI, machine learning, and deep learning techniques to solve real-world problems, build predictive models, and deliver high-quality, data-driven solutions.

🔥 CFA Charterholder | Lead Data Scientist | Data + Finance + Automation + Teaching + Writing Powerhouse 🔥 7+ years PRO experience + 7+ years academic mastery in Finance, BFSI, and cutting-edge Analytics. Master's in Big Data Analytics (GPA 8.8/10). Daily driver of Python, PySpark, SQL, Databricks, AWS, EMR + Airflow. Clients hire me because I deliver THREE superpowers in ONE: 💼 Finance expert who reads numbers like a book ⚙️ Data scientist who builds bulletproof pipelines 👨‍🏫 Tutor who explains rocket science like bedtime stories 🚀 DATA & ANALYTICS MASTERY Python (pandas, NumPy, scikit-learn, Flask APIs, automation) R Programming (stats, modeling, survey analysis) PySpark on Databricks/EMR + Airflow pipelines Web scraping (BeautifulSoup, Selenium, Scrapy) API integrations & production pipelines (OHLCV, backfills, daily updaters) Text classification/NLP + ML (classification, regression, ensembles) SPSS, SAS, MATLAB, Minitab, EViews, JASP + stats software Dashboards: Power BI, Tableau, Looker Studio (DAX, interactive reports) 💰 FINANCE & MODELING EXPERTISE Financial modeling (P&L, cashflow, balance sheets, franchise economics) CFA concepts (equity, fixed income, derivatives, portfolio mgmt) Risk/credit analytics, MIS, budget variance analysis Excel mastery (automation, complex models via Python) 🎓 TEACHING & RESEARCH SUPPORT CFA tutoring (Levels I-III) Data analytics (Python/R/SQL/stats) + visualization training Quant prep: CAT/GMAT/SAT/ACT Academic writing: survey analysis, results papers, technical reports AI/ML/DL paper editing (technical accuracy + clarity) 🛠 AUTOMATION & SPECIALIZED SKILLS Survivorship-bias-aware data pipelines Image annotation (Labelbox, CVAT) oversight LLM-assisted workflows (code/docs/Excel logic) ⭐ WHAT CLIENTS RAVE ABOUT ⭐ "Phenomenal talent… incredibly fast… will definitely work with Srishti again!" "Quick understanding + reactivity… thank you Srishti!" "High attention to detail + regular communication = high quality" "Exceptionally competent R programmer who exceeds expectations" "Hit ALL milestones on time with excellent work" Fast. Thorough. Reliable. Results-driven. Got a project where finance + data + clear communication = success? Let's talk! 📈✨

With 15 years of experience applying statistics and research methods, I empower organizations with data-driven insights. My expertise spans education, medicine, public health, market research, and scale development for clients ranging from small research firms to government agencies. 🔹 Proficiencies • Statistical analysis • Machine learning • AI applications • Psychometric analysis • Systematic reviews • Meta-analysis • Simulations • Power analysis • R package development 🔹 Career Highlights • Developed fourteen peer-reviewed R packages published on CRAN • Served as Software Manager for Juvo, a behavioral health services company • Lead Reviewer for Abt Associates’ National Evaluation of Investing in Innovation • Co-authored peer-reviewed research reports 🔹 Additional Research Services • Drafting protocols, grants, and reports • Building data collection tools and dashboards • Conducting What Works Clearinghouse reviews I provide tailored solutions to meet your specific data analysis and research needs. Please reach out if you need an experienced statistician and researcher on your team. I look forward to collaborating with you!

Hello, I'm Arslan Khalid, a seasoned Data Analyst with over 12 years of comprehensive experience in data handling and analysis. Throughout my career, I have honed my skills in transforming raw data into meaningful insights, employing advanced statistical techniques, and developing efficient data management strategies. My expertise spans a wide range of industries, and I have successfully contributed to numerous projects, leveraging my analytical skills to drive informed decision-making. My commitment to precision and detail, combined with a deep understanding of data science methodologies, allows me to extract actionable insights that positively impact business strategies. As a research scholar, I bring a unique blend of academic rigor and real-world experience to every project. I am adept at utilizing cutting-edge technologies and tools to analyze complex datasets, identify patterns, and present findings in a clear and concise manner. Whether you need assistance in data cleaning, statistical analysis, or creating insightful visualizations, I am here to provide tailored solutions that meet your specific needs. Let's collaborate to unlock the full potential of your data and achieve your business objectives. My Expertise include but not limited to, Time-series Analysis, Panel Data Analysis, Spatial Analysis, Survey Analysis, Survival Analysis and cross-section analysis as well as structural equation modeling using STATA, EVIEWS, Python, SPSS AMOS and R language

I offer statistical, writing, and educational services to student, clinical, and academic researchers. My specialties include sample size determination, power analysis, data summaries, data visualization, data analysis, and report/manuscript writing for the health/medical and biological sciences. I have four years of statistics consulting service experience as a research assistant at the University of Nevada, Reno, School of Medicine. I've been an author on 16 journal articles (primary author of four) and over 18 professional scientific conference presentations. I'm experienced with SAS, R, JMP, Minitab, MS Excel, and ArcGIS. I've worked with diverse clients on a wide variety of research topics and hope to hear what I can do to help you with your research today!

Leadership: Have led a team of statisticians in supporting statistical activities in 2 therapeutic area portfolios and programmers supporting regulatory reporting for over 100 clinical trials Technical: Strong experience in providing lead statistical support for regulatory activities such as FDA Panel meetings, in-person FDA meetings, PMA submissions, FDA study design conference calls, FDA deficiency responses and regulatory report submissions Programming: SAS (10+ years) and experience using R