Are we becoming sharper critics, but lazier thinkers?
AI may be making us better at evaluating ideas while making us less comfortable creating them from scratch. A few questions about the shift from creator to editor.
Read the note →Axel DerobertDATA ANALYST · LYONOpen to a data internship · Lyon or hybrid
Curious by nature,analytical by training
I turn raw data into clear decisions. Data Analyst trained with OpenClassrooms, using Python, SQL and dataviz to help businesses understand what really drives their performance.
Based in
Lyon, France45.76° N · 4.84° EOpen to hybrid work
Called home4 countries
- FRFrance, where it started
- AUAustralia
- SESweden
- NLThe Netherlands
- FRBack in Lyon, today
9projects, from exploratory analysis to dashboards
portfolio.describe()- Python · 4
- SQL · 3
- Dataviz · 2
Education
Data Analyst, OpenClassroomsRNCP Level 6, Bachelor's equivalent · 2025 – ongoing
My toolkit
import *- Python
- SQL
- Pandas
- scikit-learn
- Matplotlib
- Seaborn
- Power BI
- Tableau
- dbt
- Snowflake
- SQLite
- VS Code
- Excel
- Git
Finding the story behind the numbers.
Read my story01 — Featured projects
All projects (9)Analyses that answer real business questions.
- Python
- scikit-learn
- Pandas
Spotting counterfeit banknotes from six measurements
Comparing four machine-learning models to tell genuine euro banknotes from fakes using their geometry alone, then shipping the best one as a ready-to-use script.
Read the case study →
- Tableau
- Python
- Pandas
Which cities are worth investing in on Airbnb?
A three-page Tableau dashboard that takes an investor from the global market down to a single neighbourhood, built on 478,000 cleaned listings across 16 countries.
Read the case study →
- Python
- scikit-learn
- Pandas
Where should a French poultry brand export first?
An international market study of 164 countries: 15 PESTEL indicators, a principal component analysis and a clustering that turn public data into a three-stage export roadmap.
Read the case study →02 — Notes
All notesWhat's caught my curiosity lately.
The Mom Test, but for AI
I had the same analysis audited by two AI models, changing only how the prompt framed the work. They shared 32% of their findings. Why the question decides the answer.
Read the note →Got a question your data hasn't answered yet?
axel.derobert.data@gmail.com