Collapse According to Groups
DESCRIPTION:
This function is generic; method functions can be written to handle
specific classes of objects. Currently, only a
groupedData
method is available.
USAGE:
collapse(object, ...)
REQUIRED ARGUMENTS:
- object
-
an object to be collapsed, usually a data frame.
OPTIONAL ARGUMENTS:
- ...
-
some methods for the generic may require additional
arguments.
VALUE:
will depend on the method function used; see the appropriate documentation.
SEE ALSO:
EXAMPLES:
## see the method function documentation