By Michael Nocito , data analyst · Published August 7, 2026 This article gives you the test that catches the most common beginner mistake in pivot tables, and the ten-second fix. The test is one line: would adding two of these together mean anything? If the answer is no, the column is a label, ...
Source: [Dev.to](https://dev.to/michaelnocito/excel-just-summed-your-id-numbers-and-said-nothing-52ph)