Aaron Arce – Data Analyst Portfolio

👋 Introduction

Hello! I’m Aaron Arce, a data enthusiast passionate about turning raw data into actionable insights. My background is in Finance and includes working with SQL, Python, and data visualization tools to solve business problems and support decision-making.

Welcome to my Data Analytics Portfolio, where I showcase projects and case studies that reflect my experience in data cleaning, exploratory data analysis (EDA), visualization, and statistical modeling.

📚 About Me

• Education:
  • Bachelors Degree in Business Administration from Fidelitas.
  • Master's Degree in Business Analytics from Universidad Latina.
• Technical Skills:
  • SQL (PostgreSQL, MySQL)
  • Python (Pandas, NumPy, Matplotlib, Seaborn, Scikit-learn)
  • Data Visualization (Tableau, Power BI)
  • Statistics & A/B Testing
  • Excel (PivotTables, advanced formulas, financial modeling, VBA)
• Soft Skills:
  • Strong problem-solving, communication, teamwork, and adaptability skills. I am an excellent team player and can also work extremely independently when needed.

🎯 Core Competencies

1. Data Extraction & Transformation

   • Skilled at writing optimized SQL queries to handle large, complex datasets.
   • Adept at cleaning and preprocessing data using Python (Pandas).

2. Exploratory Data Analysis (EDA)

   • Strong understanding of statistical concepts and hypothesis testing.
   • Ability to derive actionable insights and storytelling through visualizations.

3. Modeling & Machine Learning

   • Experience with regression, classification, and clustering algorithms.
   • Familiarity with evaluation metrics (accuracy, precision, recall, F1-score, ROC).

4. Visualization & Reporting

   • Proficient in creating dashboards in Tableau and Power BI.
   • Capable of presenting complex data in clear, concise formats for stakeholders.

🚀 How to Explore My Work

1. Navigate Through Folders
   • Each folder contains certain types of projects, this portfolio is still on the works so I greatly appreciate your understanding.
2. Set Up Instructions
   • For SQL projects, you’ll find .sql scripts and instructions to create tables and import datasets.
   • For Python-based projects, check the requirements.txt for dependencies.

📈 Data Visualizations

To see some of my dashboards and visualizations, check the Visualizations/ folder or my Data Analysis with Python/ folder with multiple projects and some light visualisation. .

💡 Future Plans

• Machine Learning Projects: Deepening my skills in predictive modeling and advanced analytics.
• Data Engineering: Exploring Apache Spark, Airflow, and cloud-based data warehouses (e.g., Snowflake, AWS Redshift).

🤝 Let’s Connect

I’m actively looking for a Data Analyst role where I can apply my skills to drive data-driven decision-making. Feel free to connect with me:

• LinkedIn: https://www.linkedin.com/in/aar%C3%B3n-arce-a71079277/
• Email: [email protected]

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Thank you for visiting!

I appreciate you taking the time to explore my portfolio. While it’s still a work in progress, I’m continuously improving my projects and adding new case studies to showcase my evolving data analysis skills. I apologize for any missing details or incomplete sections—but rest assured, there’s much more to come!

I’m excited to share future projects that will delve deeper into data visualization, machine learning, and advanced analytics. Stay tuned for regular updates and feel free to star ⭐ this repository or open an issue if you have any suggestions or want to see specific data-related topics covered.

Thank you again for your support, and I look forward to connecting with you soon!