Animations in Tableau can prove to be quite useful, especially if you want to observe a change over time. In the sample data set that I used, I was able to observe how the life expectancy, as a function of fertility rate, changed from 1960 to 2013, in a powerful visualization. The end result, dashboard is viewed below:
In order to view the visualization, you need to locate the workbook with the link below and then download it. Once done, you can press the arrow in the Year “filter” and the animation will begin!