abbreviate {arules}R Documentation

Abbreviate function for item labels in transactions, itemMatrix and associations

Description

Provides the generic function and the methods to abbreviate long item labels in transactions, associations (rules and itemsets) and transaction ID lists. Note that abbreviate is not a generic and this arules defines a generic with the R's abbreviate as the default.

Usage

abbreviate(names.arg, ...)
## S4 method for signature 'itemMatrix'
abbreviate(names.arg, minlength = 4, ..., method = "both.sides")
## S4 method for signature 'rules'
abbreviate(names.arg, minlength = 4, ..., method = "both.sides")
## S4 method for signature 'itemsets'
abbreviate(names.arg, minlength = 4, ..., method = "both.sides")
## S4 method for signature 'transactions'
abbreviate(names.arg, minlength = 4, ..., method = "both.sides")
## S4 method for signature 'tidLists'
abbreviate(names.arg, minlength = 4, ..., method = "both.sides")

Arguments

names.arg

an object of class "transactions", "itemMatrix", "itemsets", "rules" or "tidLists".

minlength

number of characters allowed in abbreviation

method

apply to level and value (both.sides)

...

further arguments passed on to the default abbreviation function.

Author(s)

Sudheer Chelluboina and Michael Hahsler based on code by Martin Vodenicharov.

See Also

abbreviate in base.

Examples

data(Adult)
inspect(head(Adult, 1))

Adult_abbr <- abbreviate(Adult, 15)
inspect(head(Adult_abbr, 1))

[Package arules version 1.7-1 Index]