Aggregating information into a data frame

This function aggregates information contained in vegtable objects to a summarizing data frame.

This function works in a similar way as crosstable().

Usage

# S3 method for formula
aggregate(x, data, FUN, use_nas = TRUE, ...)

Arguments

x

A formula indicating the variables used for the summary.

data

Either a data frame or an object of class vegtable.

FUN

Function used to aggregate values.

use_nas

Logical value indicating whether NA's should be included in categorical variables or not.

...

Further arguments passed to the function stats::aggregate().

Value

An object of class data.frame.

See also

stats::aggregate

Author

Miguel Alvarez kamapu78@gmail.com