Welcome!
I’m Gustavo, and I solve business challenges through the power of data.
Analytics and solving problems with data keep me inspired.
18+
Years of Experience
2
Books Published
2
Online Courses
200+
Blog Posts
20k
Views/ Month
Places I Worked and where I was Featured
Bringing Ideas to Life
Projects
Here is my portfolio of projects, where you can see what I am working on and how I approach different kinds of problems.
Products
I have created a lot of good content. In this section I share some of them with you, so you can lear with me.
Resumé
In this page I present you my background and important milestones from my career until today.
A Little About Me
I am a Data Scientist specializing in data analysis, machine learning, and visualization using Python, Spark, SQL, and R. Author of the books Data Wrangling with R ; Your AI Partner, founder of the blog Code Applied, and instructor at Udemy, with a passion for sharing knowledge through blogging and teaching. MBA in Data Science & Analytics with a proven track record of delivering impactful, data-driven business solutions.
Latest Insights from My Blog
- Demystifying Hypothesis Tests: The Illustrated Guide for Data Scientists
- How to Get Better LLM Outputs: 6 Prompt Engineering Tips for Coding, Debugging, and Data Science
- Accuracy vs. Profit: A Business Case for Custom Decision Thresholds
- Build Smarter Recommendation Engines: Choosing Between Similarities
- Statistical Analysis in Python: A Beginner’s Guide to Probability Distributions in Python
- From Zero to RAG: A 6-Step Guide to Native Embeddings in Databricks
My Portfolio Highlights
LangGraph + SciPy: Building an AI That Reads Documentation and Makes Decisions
August, 2025
Data Engineering Pipeline for Stocks Data
January, 2024
AI-Powered PDF Reader Assistant [LLM+RAG]
February, 2025
Optimized Price with PyGAM.
January, 2025
Crew of AI Agents to write blog posts with CrewAI
April, 2025
Recommendation System with FastAPI + Streamlit
February, 2025
AI Agent with LangGraph + Streamlit That Boosts ML Performance
August, 2025
Generating a Data Dictionary for Excel Files with openpyxl + AI Agent
May, 2025
AI-Powered Weather ETL Pipeline with Databricks and GPT-4o
February, 2025
Flight Ticket Fares Messaged to Phone
December, 2024
Before and After A/B Testing
July, 2024
My Store
Learn from the content that I create to share my knowledge
Books | Online Courses | Lectures
Data Wrangling with R
Load, explore, transform and visualize data for modeling with tidyverse libraries
Your AI Partner
How Generative AI Enhances Efficiency,
Creativity, and Learning in Everyday Life
Create Stunning Documentation with Python and MkDocs
Creating project documentation is essential! But do you know how to create a professional page using only Markdown notation? That is what you are going to learn in this lecture!
Hands-On Data Science Project Using CRISP-DM
A practical guide to each phase of the data science lifecycle, from Business Understanding to Deployment in Python
Mastering Data Wrangling with PySpark in Databricks
From Beginner to Pro: Learn Key Data Processing Skills and Machine Learning with PySpark in Databricks
Have a Project in Mind?
Have a project in mind or just want to chat? Reach out and let’s create something amazing!