Excel for Data Preparation & Cleaning
Overview
Course Description
Focused course on the critical “data cleaning” phase of analytics. Covers practical techniques for transforming raw, messy data into analysis-ready datasets using Excel and Power Query. Data professionals spend 60-70% of time on data preparation; this course teaches it properly.
Prerequisites: Level 1 or basic spreadsheet experience
Career Relevance
- Essential skill for all analyst roles
- Salary impact: Good data prep skills = higher analyst salaries
- Next step: Analytics (Power BI, Python) or SQL
Level: Beginner-Intermediate
Duration: 3 weeks
Physical Fee: ₦40,000
Virtual Fee: ₦32,000
Next Cohort
Physical: 8th August, 2026
Virtual: 15th August, 2026
★ Recommended
Personalized 1-on-1 Training
Get dedicated instructor support with training tailored to your skill level, learning goals, schedule, and pace.
- ✓ One-on-one sessions
- ✓ Flexible scheduling
- ✓ Personalized practical exercises
- ✓ Individual feedback
- ✓ Course materials and resources
Prefer to start without waiting for the next group?
Chat with us to discuss your course, schedule, and personalized training options.