What is the purpose of the symboln statement in SAS?

The symboln statement in SAS is utilized to define the properties of a single symbol, such as its appearance and positioning in a plot. This helps in customizing how data is visually represented in graphs, allowing for distinct modifications based on the needs of the analysis. By setting properties such as color, shape, and size, the symboln statement enhances data visualization by making specific points on a graph more recognizable and informative to viewers.

While grouping multiple symbols is a function that would involve different SAS methods, storing values of variables pertains to the data step rather than graphics, and deleting existing symbols is also not the function of the symboln statement. All these aspects help clarify the singular focus of the symboln statement in defining properties for one symbol at a time, making it a specific tool for graphical representation in SAS.