burt {dimensio}

Burt Table

Description

Computes the burt table of a factor table.

Usage

burt(object, ...)

## S4 method for signature 'data.frame'
burt(object, exclude = NULL, abbrev = TRUE)

Arguments

object

A data.frame.

...

Currently not used.

exclude

A vector of values to be excluded when forming the set of levels (see factor()). If NULL (the default), will make NA an extra level.

abbrev

A logical scalar: should the column names be abbreviated? If FALSE, these are of the form 'factor_level' but if abbrev = TRUE they are just 'level' which will suffice if the factors have distinct levels.

Value

A symetric matrix.

Author(s)

N. Frerebeau

See Also

Other tools: cdt()

Examples

## Create a factor table
x <- data.frame(
  A = c("a", "b", "a"),
  B = c("x", "y", "z")
)

## Complete disjunctive table
cdt(x)

## Burt table
burt(x)