Faceting is a mechanism to automatically lay out multiple plots on one page. This functionality is quite nice and useful in many situations and, for this reason, we will venture a little deeper into it and look at some examples. As already mentioned, if you are familiar with other plotting packages, this functionality is very similar to the concept of
The plot is realized with the faceting option by splitting the data into subsets, and each subset of data is represented in an individual plot. Nevertheless, the individual plots are formatted in an overall plot page with a header at the top or on the side of the panels, which identify the data represented in the subplot. Faceting is particularly useful if you need to have ...