![Multi-Group Series Plots](https://blogs.sas.com/content/graphicallyspeaking/files/2014/04/Data3.png)
The series plot is a popular way to visualize response data over a continuous axis like date with a group variable like treatment. Here is some data I made up of a response value by date, treatment, classification and company that makes the drug. The data is simulated as shown in the attached program