listOrNULL-class {simecol} | R Documentation

## Helpful Union Classes

### Description

Classes representing either list or NULL (i.e. empty), function or NULL, function or character vector, numeric vector or list, or list or data.frame.

### Objects from the Class

These classes are virtual: No objects may be created from it.

### Methods

No methods exist for these classes.

### See Also

`simObj`

[Package simecol version 0.6-9 Index]