Validation is an automatic computer check to ensure that the data entered is sensible and reasonable. It does not check the accuracy of data. For example, a secondary school student is likely to be ...

When multiple data variables are accommodated in a project, the time and spatial grids of those variables must be identical. As such, you must control the data other people enter. That’s when you need ...

Follow the steps below to create a drop-down list using data validation in Excel. If you want to add a message pop up, you can click the Input Message tab and check the checkbox for “Show input ...

Marketing is built on one essential element: accurate information. As marketers, we're always collecting and analyzing data to understand customer behaviors, preferences, and trends. That information ...

In recent years, the number of Chinese mainland students applying to Hong Kong universities has been on the rise. For graduate applications alone, Hong Kong universities receive tens of thousands of ...