[…] A SAS/IML list is a data structure that enables you to pack various SAS/IML objects (scalars, vectors, matrices, tables, ...) into a single object. A primary use of lists is to pass information between functions. You can create lists and extract items from lists by using a special syntax. For example, if L is a list then L$1 is the first item in the list, L$2 is the second item, and so on. …