Day 3: Excel Data Cleaning for Data Analysts 🧹 | Remove Duplicates, Fix Text, Validate Data
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Day 3 of my 30-day Data Analyst journey — and today’s focus is one of the most important real-world skills: Data Cleaning in Excel.
Here’s what I did:
✔ Removed duplicates
✔ Deleted empty rows
✔ Fixed text formatting (proper case, trimming spaces)
✔ Replaced incorrect values
✔ Added data validation (dropdowns, rules)
🧹 Clean data = accurate analysis!
💻 These are real tasks you’ll do in any business analyst or product analyst role.
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