https://github.com/chicolucio/portfolio-data-science

Portfolio presenting my projects and achievements as a Data Scientist.
https://github.com/chicolucio/portfolio-data-science

data-science data-visualization machine-learning portfolio

Last synced: 7 months ago
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Portfolio presenting my projects and achievements as a Data Scientist.

• Host: GitHub
• URL: https://github.com/chicolucio/portfolio-data-science
• Owner: chicolucio
• Created: 2022-08-04T21:26:50.000Z (about 3 years ago)
• Default Branch: master
• Last Pushed: 2025-02-26T20:17:39.000Z (8 months ago)
• Last Synced: 2025-02-26T21:23:59.916Z (8 months ago)
• Topics: data-science, data-visualization, machine-learning, portfolio
• Homepage:
• Size: 615 KB
• Stars: 2
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
[![author](https://img.shields.io/badge/Author-Francisco Bustamante-red.svg)](https://www.linkedin.com/in/flsbustamante/) 

[![GPLv3 license](https://img.shields.io/badge/License-GPLv3-blue.svg)](LICENSE) 

[![contributions welcome](https://img.shields.io/badge/Contributions-Welcome-brightgreen.svg?style=flat)](https://github.com/chicolucio/portfolio-data-science/issues)







# Data Science projects

As an experienced Data Scientist, I've been fortunate enough to tackle

exciting projects. I combine analytical skills, ability to work in team environments, and

attention to details.

I have delivered relevant projects to companies in diverse markets. Most of them are

confidential, but I've replicated some solutions, using public data to develop different

projects for this portfolio. I'm currently updating these projects so that even my

earliest works can reflect my current abilities.

These are *some* tools/skills/technologies used on the projects listed below:

![Python](https://img.shields.io/badge/Python-3670A0?style=plastic&logo=python&logoColor=ffdd54)

![Pandas](https://img.shields.io/badge/Pandas-%23150458.svg?style=plastic&logo=pandas&logoColor=white)

![MySQL](https://img.shields.io/badge/MySQL-4479A1.svg?style=plastic&logo=MySQL&logoColor=white)

![Scikit-Learn](https://img.shields.io/badge/Scikit_Learn-F7931E.svg?style=plastic&logo=scikit-learn&logoColor=white)

![Matplotlib](https://img.shields.io/badge/Matplotlib-3670A0.svg?style=plastic&logo=&logoColor=white)

![Plotly](https://img.shields.io/badge/Plotly-%233F4F75.svg?style=plastic&logo=plotly&logoColor=white)

![Streamlit](https://img.shields.io/badge/Streamlit-FF4B4B.svg?style=plastic&logo=streamlit&logoColor=white)

![AWS](https://img.shields.io/badge/AWS-232F3E.svg?style=plastic&logo=amazonaws&logoColor=white)

A complete list can be seen in each project link.

All in all, I believe my greatest asset is the combination of technical skills and 

communication. My projects are detailed and well documented, which helps translate

technical work into real-life results.

Links:

- [LinkedIn](https://www.linkedin.com/in/flsbustamante/)

- [Full portfolio](https://franciscobustamante.com.br/portfolio)

- [Curriculum Vitae](https://franciscobustamante.com.br/about/)

## Projects

- Marketing campaign optimization - [code repo](https://github.com/chicolucio/marketing-campaign-optimization) | [article](https://franciscobustamante.com.br/portfolio/2025-marketing-case/)

  > *Abstract*: This project analyzes a retail food company’s direct marketing campaign,

  which suffered a low response rate (15%) and financial loss. Using data-driven

  strategies, we optimized future campaigns through customer segmentation, predictive

  modeling, and profit analysis.

- Customer churn prediction - [code repo](https://github.com/chicolucio/churn-prediction) | [article](https://franciscobustamante.com.br/portfolio/2022-06-project_churn_prediction/)

  > *Abstract*: Churn is a measure of how many customers stop using a service or product,

  often evaluated for a specific period of time. In this study, a churn level prediction

  process is carried out using machine learning. A dataset with over 7000 customers of a

  telecom company is used. An action plan for the company is designed based on the

  results.

- Credit card fraud detection - [code repo](https://github.com/chicolucio/credit-card-fraud) | [article](https://franciscobustamante.com.br/portfolio/2022-01-project_credit_card_fraud/)

  > *Abstract*: In this work, we will use a credit card transactions database to study

  different algorithms, which can be used to classify a given transaction as fraudulent

  or not. We will see how to deal with unbalanced databases in Machine Learning.

- Global overview of COVID-19 - [code repo](https://github.com/chicolucio/panorama-covid-mundo) | [article](https://franciscobustamante.com.br/portfolio/2022-04-project_covid/)

  > *Abstract*: It has been 2 years since the emergence of the COVID-19 virus. The

  pandemic control measures adopted by governments around the world have significantly

  affected everyone’s routine. Now, most governments are relaxing COVID restrictions

  despite high omicron variant spread. What can we learn from COVID data?

- Statistical analysis of student grades - [code repo](https://github.com/chicolucio/estatisticas-oiq-2019)

  > *Abstract*: Use of Python and Pandas package to evaluate the students’ performance in

  a Chemistry Olympiad at an educational institution.

- Science communication through data science - [site](https://cienciaprogramada.com.br/category/data-science/)

  > *Abstract*: I have a personal project of a scientific communication platform, focused

  on usage and development of technological tools. I show how we can use Python and

  software for a better understanding of scientific concepts and daily situations. I also

  cover Data Science topics and coding best practices.