If you've used data validation in Excel before, you probably selected the relevant cells, clicked "Data Validation" in the Data tab on the ribbon, and created the rule in the Data Validation dialog ...

Q: I have an Excel spreadsheet that I update weekly with our employees’ Actual Sales and Sales Goals. I manually insert a red circle to indicate those who did not reach their sales goal by more than a ...

Many techniques exist for deriving predictive modeling functions and we will not provide a thorough review here. For in-depth overviews, there are many books on this topic, for example, Kuhn and ...