Data Analyst
Turn a clear question into a validated analysis.
YOUR NEXT CHAPTER
6 stages · self-pacedData Analyst roadmap
Learn the foundations. Practice with AI. Own the result.
YOUR LEARNING JOURNEYStart here. Follow the milestones.
Build something
you can explain.
you can explain.
Open a stage to see what to learn and how to practice.
STAGE 01 / 06 · FOUNDATIONS
Understand the data
What to learn
- Data types
- Missing values
- Metric definitions
How to learn
Choose a public dataset. Make a data dictionary and inspect missing values, duplicates, units, and how the data was collected.
You’re ready when
You can state what one row represents and what the dataset cannot answer.
Resources
Read the relevant guide, try the exercise above, then explain your result without AI.
PostgreSQL · SQL tutorialpandas · hands-on tutorialsWork through a tutorial with sample data, then repeat it on a small public dataset.