A “dummy” or “indicator” variable takes on a value of either 0 or 1. The appeal of these particular values is that they are numerical and can be used with routines that only accept numerical data ...

There are different ways to structure collected data in Excel depending on your needs and preferences. However, there are some general guidelines that you should follow for any type of data ...

Simplify your data transformation by skipping complex parsing expressions and instead using Flash Fill and Power Query in Microsoft Excel. Image: IB Photography/Adobe Stock If you work with ...