Make a list of objects of any type.
Any number of arguments of any type.
An object of class
a list of objects that the user intends to treat in a similar fashion.
For example it may be desired to plot each of the objects
side-by-side: this can be done using the function
The objects can belong to any class; they may or may not all belong to the same class.
In the spatstat package, various functions produce
an object of class
A list, belonging to the class
containing the original objects.