Rules-class: S4 class to store association rules and relevant quality...
In TimToebrock/Rpriori: Implementation of the Apriori Algorithm

S4 class to store association rules and relevant quality metrics

lhs: ngTMatrix describing the lhs of the rules.
rhs: ngTMatrix describing the rhs of the rules.
support: Support of the Rules.
confidence: Confidence of Rules.
lift: Lift of the rules.
leverage: Leverage of the rules.
itemsetID: This represent a vector of unique identifiers for the different frequent itemsets the rules stem from. Used for internal computation.
FrequentItemsets: Frequent Itemsets as an FIMatrix object containing the frequent items the rules were created from.