arules (version 1.0-12)

read.PMML: Read and Write PMML

Description

This function reads and writes PMML representations (version 4.1) of associations (itemsets and rules).

Usage

write.PMML(x, file)
read.PMML(file)

Arguments

x

a rules or itemsets object.

file

name of the PMML file (for read.PMML also a XML root node can be supplied).

Details

Write delegates to package pmml.

References

PMML home page: http://www.dmg.org

See Also

pmml.

Examples

library("arules")
    data("Groceries")

    rules <- apriori(Groceries, parameter=list(support=0.001))
    rules <- head(sort(rules, by="lift"))
    rules

    ### save rules as PMML
    write.PMML(rules, file = "rules.xml")

    ### read rules back
    rules2 <- read.PMML("rules.xml")
    rules2

    ### compare rules
    inspect(rules[1])
    inspect(rules2[1])

    ### clean up
    unlink("rules.xml")