Aleksandr C.
Data Science | Machine Learning | LLMs | ChatGPT | Web Scraping | NLP
Ten years in data analysis, web scraping, SPSS, Python & R. Machine learning models, Stable Diffusion, LLMs, ChatGPT, OpenAI. Combining business process with existing data or enriching it with multiple new sources. TECHNICAL SKILLS AND COMPETENCIES Collecting Data: web-scraping, parsing (Selenium, Playwright, BS, RegEx), markup languages (HTML, CSS). Data manipulation: Python (Pandas, NumPy); R, Stata, SQL, Excel, Git. Mathematical Statistics: probability theory, descriptive measures, hypothesis formulation and testing, nonparametric methods. Advanced Econometrics: Time Series, VAR, VECM, Panel Data, Logit Models; Causation and Counterfactuals, RDD, Matching, PCA, LDA, Bayes Estimation. Visualization: Python (Matplotlib), R (ggplot2), Power BI. Financial Mathematics: CAPM, Markov Chains, Black-Scholes OPM, Greeks. App Development: Backend (FastAPI), Frontend (React, Streamlit) AI Integration: ChatGPT, OpenAI, LLaMA, LangChain implementations, ChatBots
Earnings and projects
Last 6 months ÷ 6
Billed in all: $31,488$31k