Most marketing measurement models operate on a simple assumption: effects are additive.  Campaign A drives 100 leads, Campaign B drives 200, so the total impact is 300.  But in reality, ...

Discover why merged cells in Excel cause more harm than good and learn practical alternatives to improve your spreadsheets ...

In two-dimensional XLOOKUP formulas, it doesn't matter which way around the XLOOKUPs go. In this example, the ID lookup is first in the formula, and the column header lookup is nested. If these were ...