Professional Data Analyst and Research Consultant 

Data Analytics Expert and statistical consultant/data scientist. For a fixed fee I provide my clients with unlimited support, clear explanations, well-documented code, and actionable insights. I develop innovative analytical tools and techniques. My research papers on statistics, marketing research/analytics, and data science/analysis are systematically accepted by leading peer-reviewed journals. 

As a Lead Analyst, I was in charge of quantitative data analysis for many multinational corporations (based on contract). Now I help businesses and researchers all over the world to analyze their data effectively using various tools (R, SPSS, Stata, EViews, Excel, Statistica, Python, Minitab, JASP, and Google sheet). I have a unique combination of domain knowledge in business and science + technical skills, which allow me to provide my clients with actionable predictive and explanatory models.

 My services include: 

✅ Data analysis/data science/predictive modeling for business and research purposes using methods from data mining, machine learning, econometrics and statistics (including, but not limited to, medical statistics, biostatistics, epidemiological statistics, and neuroscience data analysis) 

✅ Simulation and Forecasting 

✅ Developing Shiny Apps for data science/business analytics

 ✅ Causal inference (propensity score matching, regression discontinuity design (RDD), difference-in-difference (DID) estimation, event studies) 

✅ Quantitative market research data analysis (including CHAID, CART, conjoint analysis, regression analysis, ANOVA, multilevel modeling, Van Westerndorp's Price Sensitivity Meter (PSM), Market Basket Analysis, attribution modeling, marketing mix modeling, and other advanced techniques) 

✅ Statistical consulting/tutoring on using R, Stata, SPSS, EViews, Statistica, and Excel