One of the first things I learned about Power Query—and a rule I still follow religiously today—is to not select a column and delete it. To build a truly resilient dashboard, you must instead tell the ...

Have you ever stared at a tangled web of paired columns in your dataset—”Size 1/Value 1,” “Size 2/Value 2,” and so on, wondering how to make sense of it all? It’s a common frustration for anyone ...