numeric or NULL-class {oompaBase} | R Documentation |
This class is a union that can represent either a numeric vector or a NULL value.
A virtual Class: No objects may be created from it.
No methods defined with class "numeric or NULL" in the signature.
Kevin R. Coombes <kcoombes@mdanderson.org>
Processor
uses the numeric or NULL
class
to represent the default values of its parameters.