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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.
abbreviate(names.arg, ...)
# S4 method for itemMatrix
abbreviate(names.arg, minlength = 4, ..., method = "both.sides")
# S4 method for rules
abbreviate(names.arg, minlength = 4, ..., method = "both.sides")
# S4 method for itemsets
abbreviate(names.arg, minlength = 4, ..., method = "both.sides")
# S4 method for transactions
abbreviate(names.arg, minlength = 4, ..., method = "both.sides")
# S4 method for tidLists
abbreviate(names.arg, minlength = 4, ..., method = "both.sides")
an object of class "transactions", "itemMatrix", "itemsets", "rules" or "tidLists".
number of characters allowed in abbreviation
apply to level and value (both.sides)
further arguments passed on to the default abbreviation function.
abbreviate
in base.
# NOT RUN {
data(Adult)
inspect(head(Adult, 1))
Adult_abbr <- abbreviate(Adult, 15)
inspect(head(Adult_abbr, 1))
# }
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