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rAmIro-89/README.md

Hi, I'm Ramiro 👋

Data Analytics · Machine Learning · Financial Data · SQL · Python

Data Science & AI Student (Technicatura Superior)

I'm a Data Analyst with strong interest in Machine Learning, Financial Analytics, and Data Engineering.
I focus on building end-to-end data projects using SQL, Python, Machine Learning and analytics engineering best practices.

🚀 Featured Projects

📌 Retail Sales Data Warehouse (SQL + ETL + SCD2 + Analytics)

End-to-end Data Warehouse for retail cellphone sales:

💬 Finance Assistant Chatbot (Flask + WAS + Docker + NAS)

Chatbot running in production with:

📈 Gold Market & Macroeconomic Analysis (2014–2024)

Financial time-series and macro analysis:

🧠 Image Classification with CNN (Keras)

Deep learning project improving a CNN baseline through:

🔧 Tech Stack

Languages

Python SQL

Data & Machine Learning

Pandas NumPy scikit-learn TensorFlow Keras XGBoost

Data Engineering

SQL Server ETL Data Warehouse BigQuery

Visualization

Power BI Matplotlib Seaborn

Tools

Git GitHub Docker Flask Jupyter VS Code

🎯 Current Focus

  • Building and refining a strong GitHub portfolio
  • Completing my Technicatura in Data Science & AI
  • Expanding into ML, Business Intelligence and Financial Analytics
  • Improving documentation and reproducibility practices
  • Incorporating BigQuery ML & cloud data pipelines

📫 Contact

📧 Email: ramiroottonevillar@gmail.com
💼 LinkedIn: (to be added)

Thanks for visiting! Feel free to explore or connect 👋

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  1. retail-sales-data-warehouse-sql-refactored retail-sales-data-warehouse-sql-refactored Public

    Enterprise Data Warehouse with Star Schema, SCD Type 2, ETL pipelines, and multi-currency analytics (SQL Server + Python)

    Jupyter Notebook 1

  2. credit-score-classification-ml credit-score-classification-ml Public

    End-to-end credit score classification project (EDA, feature engineering, model comparison, business evaluation).

    Jupyter Notebook 1

  3. gold-market-macroeconomic-analysis gold-market-macroeconomic-analysis Public

    Quarterly gold price and macroeconomic indicator analysis (2014–2024) with Power BI dashboard and Python data pipeline

    Jupyter Notebook 1

  4. finance-assistant-bot finance-assistant-bot Public

    AI-powered financial education chatbot with conversational intelligence. Available via web and WhatsApp integration.

    Python 2

  5. used-car-price-regression-ml used-car-price-regression-ml Public

    Multiple linear regression on used car prices (EDA, diagnostics, robust OLS).

    Jupyter Notebook 1

  6. image-classification-cnn-keras image-classification-cnn-keras Public

    End-to-end image classification project using Convolutional Neural Networks (CNN) with Keras/TensorFlow. Includes dataset loading, preprocessing, model architecture, training pipeline, evaluation t…

    Jupyter Notebook 1