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iarondon3/README.md

Hi there, I'm Isabella 👋

🎓 Data Analyst with a background in Business Economics with over 4 years of experience.

🚀 Expert in translating complex data into strategic, actionable insights for data-driven decision-making.

💡 My strength lies in looking beyond visualization to interpret the underlying economic and business significance of the data.

LINKEDIN GMAIL

👩🏼‍💻Tech Stack:

🐍 Programming Languages:

Python SQL

📊Data Visualization & BI:

Power BI Tableau Looker Metabase

📄Database & Modeling:

PostgreSQL MySQL MongoDB Databricks

🔍Data Transformation (ETL):

Power Query KNIME Spoon (Pentaho Data Integration)

💼Business Tools:

Salesforce Excel (Advanced)

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  1. End-to-End-Retail-Data-Ecosystem End-to-End-Retail-Data-Ecosystem Public

    End-to-End Retail Data Platform: From SQL Optimization & Sharding to NoSQL, ETL, and Spark Big Data Analytics.

    Jupyter Notebook

  2. Multilayer-Perceptron Multilayer-Perceptron Public

    Multilayer neural network built from scratch in pure Python — backpropagation, binary & multi-class classification, model persistence. No PyTorch. No TensorFlow

    Python

  3. Retail-Commercial-Monitor Retail-Commercial-Monitor Public

    Business analysis of 25K retail transactions | Revenue, Profit & Margin insights | Tableau dashboard with cross-selling & high-margin product strategy

  4. Perceptron Perceptron Public

    Single-layer perceptron built from scratch in pure Python — manual weight configuration, step & sigmoid activation functions, linear decision boundary visualization. No libraries

    Python