LIST

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List Representation for Objects Based on Class itemMatrix

Provides the generic function LIST and the S4 methods to create a list representation from objects based on '>itemMatrix (e.g., '>transactions, '>tidLists, or '>itemsets). These methods can be used for the coercion to a list.

Keywords
manip
Usage
LIST(from, …)

# S4 method for itemMatrix LIST(from, decode = TRUE)

# S4 method for transactions LIST(from, decode = TRUE)

# S4 method for tidLists LIST(from, decode = TRUE)

Arguments
from

the object to be converted into a list.

further arguments.

decode

a logical controlling whether the items/transactions are decoded from the column numbers internally used by '>itemMatrix to the names stored in the object from. The default behavior is to decode.

Details

Using LIST with decode = TRUE is equivalent to the standard coercion as(x, "list"). LIST returns the object from as a list of vectors. Each vector represents one row of the '>itemMatrix (e.g., items in a transaction or itemset).

Value

a list primitive.

See Also

decode, coerce,itemMatrix,list-method, itemMatrix-class, DATAFRAME

Aliases
  • LIST
  • LIST,itemMatrix-method
  • LIST,transactions-method
  • LIST,tidLists-method
  • coerce,ngCMatrix,list-method
Examples
# NOT RUN {
data(Adult)

### default coercions (same as as(Adult[1:5], "list"))
LIST(Adult[1:5])

### coercion without item decoding
LIST(Adult[1:5], decode = FALSE)
# }
Documentation reproduced from package arules, version 1.5-4, License: GPL-3

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