Data Analysis
Data Analysis Guides
Practical, step-by-step guides to build data analysis skills you can apply at work.
4 Guides
Intermediate
Data Analysis
Data Cleaning in Excel
Remove duplicates, fix formatting, and structure messy data the right way.
12 min readUpdated Aug 2026
Beginner
Data Analysis
Excel for Data Analysis
Turn pivot tables and formulas into a practical analysis workflow that saves you hours.
11 min readUpdated Aug 2026
Beginner
Data Analysis
How to Become a Data Analyst
The skills, portfolio, and job-search strategy to land your first analyst role.
12 min readUpdated Aug 2026
Beginner
Data Analysis
How to Learn Data Analysis for Beginners
A practical roadmap from Excel fundamentals to SQL queries. Start building real analysis skills in 8 weeks.
10 min readUpdated Aug 2026