Marketing executives at Diet Pepsi want to analyze the number of Diet Coke customers who switch to its product when Diet Pepsi is offered at a deep discount. What data would likely show this information?
A panel data is a multi-dimensional data that is collected over a period of time or multiple times for firms or individuals. It can also be called longitudinal data.
This kind of data usually shows a lot of things at the same time over the period of time that the data is being collected.
