One way to streamline data entry is to create custom lists in Excel and use them to create drop-down lists in specified cells. When you use the program's Data Validation tool, along with its ...

Dropdowns are useful features that simplify data entry and enforce data validations in spreadsheet software. Creating a dropdown list is easy. And you might have done that already in Excel. But did ...

It will surprise no-one to know that I was an early adopter of electronic calendars, starting with a Casio Digital Diary in the early 1990s, followed by a Psion 5mx in 1997. But making the switch from ...

If you are creating an interactive spreadsheet, you may need a drop-down list so that users can choose between options. To do so, you can follow this tutorial to create a drop-down list in Google ...

See how to use the R leaflet package to color-code a map by winner, loser, and margin of victory. If you’re mapping election results of, say, the US presidential election by state, it can make sense ...