Aggregate by formula

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Description

aggregatef is a standard formula interface to aggregate.monet.frame

Usage

1

Arguments

formula

formula object for aggregation

data

monet.frame object

FUN

Aggregation function

...

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

See Also

aggregate