aggregatef: Aggregate by formula
Description
aggregatef
is a standard formula interface to aggregate.monet.frame
Usage
aggregatef (formula, data, FUN, ..., subset, na.action = na.omit)
Arguments
formula
formula
object for aggregation
...
further arguments passed to or used by methods
subset
an optional vector specifying a subset of observations to be used (Unused here)
na.action
a function which indicates what should happen when the data contain NA
values (Unused here)
Value
- A
monet.frame
object with aggregated values