Yelyzaveta B.

Hi! I’m Yelyzaveta, a results-driven Data Analyst with a solid foundation in economics and analytics, and hands-on experience in data analysis, forecasting, machine learning, and reporting. I help organizations transform complex, raw data into strategic insights that drive smarter decisions. 🔍 What I Can Do for You ✅ Clean, wrangle, and analyze datasets (Excel, CSV, SQL, APIs) ✅ Develop predictive models: time series forecasting, customer segmentation, churn prediction ✅ Perform A/B testing and statistical analysis to support business decisions ✅ Apply machine learning algorithms for classification, regression, clustering ✅ Communicate findings with compelling visualizations and clear documentation 🧰 Tools & Technical Skills Programming & Analysis: Python: Pandas, NumPy, Seaborn, Matplotlib, Plotly, scikit-learn, LightGBM, XGBoost R: Econometrics (VAR, VECM, MGARCH), Time Series, Forecasting, A/B testing SQL: PostgreSQL, MySQL – complex queries, joins, window functions Excel & Google Sheets: Advanced formulas, pivot tables, data automation Modeling & Machine Learning: Time Series Forecasting (ETS, ARIMA, GARCH, DCC-GARCH, Prophet) Predictive Modeling (Linear/Logistic Regression, Random Forest, Gradient Boosting, Bagging) Segmentation (K-Means, Hierarchical Clustering, PCA) Reporting & Visualization Data storytelling with graphs, heatmaps, KPI dashboards 🧠 Why Work with Me? I combine technical expertise with business insight to solve real-world problems, not just deliver code. You’ll get: 💬 Clear and consistent communication 📑 Well-documented and reproducible workflows ⚡ Fast, reliable turnaround 🎯 Solutions aligned with your business goals Let’s turn your data into actionable insights that create real impact. I’m ready to start immediately — send me a message and tell me about your project!