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Vancesca Dinh
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    Vancesca Dinh

    Vancesca Dinh

    AI Engineer with a Master’s in Data Science, building end-to-end AI systems from ingestion to deployment.

    • Brussels, Belgium
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    Blog

    How To Select the Optimal Chunk Size for RAG Applications with LLM Judge and PydanticAI

    December 20, 2025

    How To Select the Optimal Chunk Size for RAG Applications with LLM Judge and PydanticAI

    Includes cost analysis and uses Chapter 4 of Chip Huyen’s AI Engineering book on “Evaluating AI Systems” as the knowledge base

    • AI Agent
    • LLM
    • LLM Evaluation
    • RAG
    • AI Engineer
    • LLM Judge
    Read on Medium →
    How to Connect to Model Providers Using OpenRouter and SDKs

    October 20, 2025

    How to Connect to Model Providers Using OpenRouter and SDKs

    Practical examples and free options for top model providers including GPT, Gemini, Claude, Perplexity, Groq, Deepseek, and Mistral.

    • AI Agent
    • LLM
    • OpenRouter
    • RAG
    Read on Medium →
    How to scrape tables with BeautifulSoup and Selenium

    August 27, 2025

    How to scrape tables with BeautifulSoup and Selenium

    An alternative to when pd.read_html() fails

    • Data Collection
    • Data Science
    • Data Ingestion
    • BeautifulSoup
    Read on Medium →
    Imputation with KNN and CatBoost

    July 02, 2025

    Imputation with KNN and CatBoost

    A methodical approach to handling missing values when building a predictive model for housing listings in East Flanders

    • Data Analysis
    • Data Collection
    • Data Science
    • Web Scraping
    Read on Medium →
    Analyzing Global Indices with YTD and CAGR

    June 10, 2025

    Analyzing Global Indices with YTD and CAGR

    What financial metrics tell you about Trump’s Liberation Day

    • Liberation Day
    • Data Visualization
    • Data Analysis
    • Financial Markets
    Read on Medium →
    Performance Analysis of Top Companies in S&P 500

    June 16, 2025

    Performance Analysis of Top Companies in S&P 500

    YTD from January 1, 2025 to June 13, 2025

    • Data Visualization
    • Data Analysis
    • Financial Markets
    • SP500
    Read on Medium →
    Identifying Recessions and Investment Opportunities with Drawdown

    June 25, 2025

    Identifying Recessions and Investment Opportunities with Drawdown

    By Examining: S&P 500, Coca-Cola, GE Aerospace, Blackstone, Progressive, Walt Disney, Alphabet, Palantir, Broadcom

    • Data Visualization
    • Data Analysis
    • Financial Markets
    • SP500
    Read on Medium →
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