In Excel, we often merge cells, add title rows, or insert subtotal rows to improve the appearance. If you are just looking at the screen, that might be easier to understand. However, when aggregating ...

Day 1 was about getting the data in. Day 2 was about making it trustworthy. 🧹 Day 2 - Data Transformation: Cleaning & Shaping Data using Power Query and M Language A dashboard is only as good as the ...

Replacing CONCATENATE with smarter Excel tools like CONCAT, TEXTJOIN, operators, and Power Query makes text handling faster ...

Using the OVER () clause, you can specify a “window” — defining how the data is divided and ordered for these calculations. These functions help compute values such as running totals, rankings, moving ...

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This project delivers a production-grade, end-to-end business intelligence and data engineering pipeline designed to evaluate macro e-commerce operations. By integrating multi-table relational ...