From Zero to Data Analyst: Complete Roadmap with Excel Skills Framework 2025

Introduction

Do you dream of becoming a professional data analyst? This comprehensive roadmap will take you from zero to professional in 90 days.

Phase 1: Fundamentals (Week 1-3)

Basic Excel

• Basic formulas (SUM, AVERAGE, COUNT)

• Charts and graphs

• Conditional formatting

• Basic pivot tables

Basic Statistics

• Mean and median

• Standard deviation

• Distributions

Phase 2: Intermediate Level (Week 4-6)

Advanced Excel

• VLOOKUP and HLOOKUP

• INDEX and MATCH

• Array formulas

• Advanced pivot tables

Data Cleaning

• Handling missing data

• Removing duplicates

• Standardizing formats

Phase 3: Advanced Level (Week 7-9)

Power Query

• Loading data from multiple sources

• Data transformation

• Data merging

Power Pivot and DAX

• Creating data models

• Basic DAX formulas

• Calculated measures

Phase 4: Specialization (Week 10-12)

Data Visualization

• Basic Power BI

• Creating dashboards

• Visualization best practices

Building Portfolio

• Practical projects

• GitHub for projects

• Resume

Conclusion

After 90 days of intensive learning and practice, you'll be ready to start your career as a data analyst.