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Break into data analytics.
One skill at a time.
Grain is a free suite of hands-on prep apps for data analyst jobs. Every lesson is built on learning science: recall it, say it out loud, space it out. Pick a tile to practice, or search any term.
How every lesson works
Say It Out Loud
SELECT name FROM customers WHERE status = 'active';
Give me the names of customers whose status is "active".
SELECT name → get the name column
FROM customers → from the customers table
WHERE status = 'active' → only rows where status is active
Skills
Every kit, in the order an analyst actually learns them.
Other ways to learn
Sit a certification, or drill the same skills in a game.
Start with a plan
How-to guides
Certification prep
Tableau Desktop Foundations
Power BI PL-300
MOS Excel Associate
Docusign eSignature Admin Pro
Docusign CLM Admin Pro
Docusign CLM Workflow Pro
Docusign CLM Implementation Pro
Docusign Org Management Pro
Azure Data Fundamentals DP-900
Alteryx Foundation
Google Analytics (GA4)
Databricks Lakehouse Fundamentals
MOS Excel Expert MO-211
Practice arcade
Actively in development. Progress saves in your browser and syncs across devices when you sign in.
The books
Every lesson on this site stays free. The books are the same material as one file you own: numbered pages, a contents you can navigate, and it reads offline or on paper. Tagged PDFs, so they work with a screen reader.
SQL for Analysts
Every query read line by line, and practice with the answers shown.
Excel for Analysts
Formulas built from the inside out, so you can rebuild a workbook you did not write.
Python for Analysts
The Python an analyst uses: load it, clean it, group it, explain it.
Power BI for Analysts
Including the filter context that decides what a measure returns.
Tableau for Analysts
How Tableau thinks, so you stop dragging fields until it looks right.
Statistics for Analysts
The statistics that come up in analyst work, with the traps named.
Thinking Like an Analyst
The judgment half of the job, from a vague question to an answerable one.
The Data Migration Playbook
Eight stages in order, for moving a client’s records without late surprises.
Charts and Visualization
Why an honest chart still gets misread, and what to change.
Forecasting for Analysts
Making a forecast you can defend, and saying how wrong it might be.