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lravelb/README.md

Hi, I'm Lu!๐Ÿ‘‹

Data Analyst & aspiring Data Engineer with a business background and a passion for learning.


๐Ÿ‘ฉโ€๐Ÿ’ป About Me

๐ŸŽ“ I have a background in International Trade and over 5 years of experience in finance, reporting and business analysis.
๐Ÿš€ My interest in data and technology led me to transition into the world of analytics, automation and cloud-based solutions.
๐Ÿง  I'm curious and self-taught, and I enjoy working on real-world problems using data.
๐Ÿ”ง I have hands-on experience in SQL, Python, Power BI and APIs โ€” and I'm expanding my knowledge in data engineering and machine learning.
๐Ÿ’ก My goal is to keep building smart, scalable solutions that generate business impact.


๐Ÿ› ๏ธ Skills

Languages & Tools
Python (Pandas, NumPy, Scikit-learn, Seaborn, Matplotlib) โ€ข SQL (MySQL, PostgreSQL, SQL Server)
Power BI โ€ข Tableau โ€ข Excel โ€ข Power Query
Cloud: AWS (S3, boto3) โ€ข FastAPI โ€ข REST APIs

Machine Learning & NLP
Supervised Learning โ€ข Regression & Classification Models
Model Evaluation (ROC AUC, F1-score, RMSE, Rยฒ) โ€ข TF-IDF โ€ข Transformers (DistilBERT) โ€ข Prompt Engineering (LLMs)

Also practising Data Engineering concepts such as APIs, data pipelines and cloud storage.


๐Ÿ“ Projects

๐Ÿ Python & Machine Learning

  • Real-Time Sales Tracker API
    FastAPI project that simulates real-time sales events and stores them in AWS S3 for analysis and dashboarding.

  • Hospital Reviews โ€“ LLM Sentiment Analysis
    NLP project using DistilBERT and logistic regression. Compared LLM outputs with baseline models using TF-IDF and evaluation metrics.

  • Patient Satisfaction Analysis
    Random Forest multiclass classification model using hospital service ratings. Highlights feature importance and confusion matrix analysis.

  • London Bikes
    Time series analysis and prediction of bike demand using historical rental data.


๐Ÿ“Š Power BI Dashboards

  • Car Sales Dashboard
    Built to explore sales patterns, vehicle categories and dealership performance.

  • Pizza Sales Dashboard
    Tracks product sales by category, time and location. Includes filters for dynamic exploration.


๐Ÿ“ˆ Tableau Dashboards

  • COVID Analysis
    Dashboard to visualise COVID trends across regions and highlight temporal changes.

  • Newsfeed Analysis
    Built to analyse user engagement metrics and content distribution on a mock news platform.


๐Ÿงฎ SQL Challenges & Analysis


๐Ÿ“ฌ Contact Me

Popular repositories Loading

  1. hospital-reviews hospital-reviews Public

    NLP project for analyzing patient satisfaction reviews using traditional machine learning and large language models (LLMs). Compares logistic regression with distilBERT on sentiment classification.

    Jupyter Notebook 1

  2. lravelb lravelb Public

    Config files for my GitHub profile.

  3. 8-Week-SQL-Challenge-Danny-s-Diner 8-Week-SQL-Challenge-Danny-s-Diner Public

  4. 8-Week-SQL-Challenge-Pizza-Runner 8-Week-SQL-Challenge-Pizza-Runner Public

  5. Covid Covid Public

  6. Newsfeed-Analysis Newsfeed-Analysis Public