Data Analysis
Excel, Power BI, SQL and data storytelling for Nigerian professionals.
4 articles
The Storytelling Trap: Why Your Data Is Perfect but Nobody Listens
Great data doesn't speak for itself. Learn why most presentations fail, how to structure insights for actual decision-making, and the 3-question framework that turns numbers into action.
Beyond the Dashboard: Why Data Cleaning Is the Most Underrated Skill in Analytics
Most analysts spend 70% of their time cleaning data, not building dashboards. Here’s why data preparation matters, how to spot common pitfalls, and how to shift your mindset from dread to mastery.
How to Choose the Right Chart for Your Data Analysis Project
Picking the wrong chart misleads your audience. Learn the 5-question framework to match chart types to your data goals, with cheat sheet.
Excel for Data Analysts: The Functions That Actually Matter in 2025
Most Excel courses teach 50 functions. Real analysts use 5. Here is exactly which ones to master if you want to get hired and promoted as a data analyst in Nigeria.
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