pmml: Read and Write PMML

In arules: Mining Association Rules and Frequent Itemsets

Read and Write PMML

Description

This function reads and writes PMML representations (version 4.1) of associations (itemsets and rules). Write delegates to package pmml.

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).

Author(s)

Michael Hahsler

References

PMML 4.4 - Association Rules. https://dmg.org/pmml/v4-4/AssociationRules.html

See Also

pmml::pmml().

Other import/export: DATAFRAME(), LIST(), read, write()

Examples

data("Groceries")

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

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