abbreviate: Abbreviate item labels in transactions, itemMatrix and...

In arules: Mining Association Rules and Frequent Itemsets

Abbreviate 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 base::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 'transactions'
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 'tidLists'
abbreviate(names.arg, minlength = 4, ..., method = "both.sides")

Arguments

names.arg	an object of class transactions, itemMatrix, itemsets, rules or tidLists.
...	further arguments passed on to the default abbreviation function.
minlength	number of characters allowed in abbreviation
method	apply to level and value (both.sides)

Author(s)

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

See Also

base::abbreviate()

Other associations functions: associations-class, c(), duplicated(), extract, inspect(), is.closed(), is.generator(), is.maximal(), is.redundant(), is.significant(), is.superset(), itemsets-class, match(), rules-class, sample(), sets, size(), sort(), unique()

Other itemMatrix and transactions functions: c(), crossTable(), duplicated(), extract, hierarchy, image(), inspect(), is.superset(), itemFrequency(), itemFrequencyPlot(), itemMatrix-class, match(), merge(), random.transactions(), sample(), sets, size(), supportingTransactions(), tidLists-class, transactions-class, unique()

Examples

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

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

arules documentation built on Sept. 11, 2024, 8:15 p.m.