collapse 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, ...)
Arguments
object |
an object to be collapsed, usually a data frame. |
... |
some methods for the generic may require additional arguments. |
Value
will depend on the method function used; see the appropriate documentation.
Author(s)
José Pinheiro and Douglas Bates bates@stat.wisc.edu
See Also
Examples
## see the method function documentation
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Licensed under the GNU General Public License.