Supporting Transactions
Find transactions which support each of a set of associations and return this information as a transaction ID list.
supportingTransactions(x, transactions, ...)
x |
a set of associations (itemsets, rules, etc.) |
transactions |
an object of class |
... |
currently unused. |
The supporting transactions are all transactions of which the itemset representing the association is a subset of.
An object of class tidLists containing one transaction ID list
per association in x.
Michael Hahsler
data <- list(
c("a","b","c"),
c("a","b"),
c("a","b","d"),
c("b","e"),
c("b","c","e"),
c("a","d","e"),
c("a","c"),
c("a","b","d"),
c("c","e"),
c("a","b","d","e")
)
data <- as(data, "transactions")
## mine itemsets
f <- eclat(data, parameter = list(support = .2, minlen=3))
inspect(f)
## find supporting Transactions
st <- supportingTransactions(f, data)
st
as(st, "list")Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.