antecedents: Extract antecedent-part (LHS) of the rules in a list
Description
Given a list of rules, the function returns a list of antecedents (i.e. left hand side)
of the rules.
Usage
antecedents(rules)
Arguments
rules
Either a list of rules or an object of class farules.
Value
A list of character vectors.
Details
This function assumes rules to be a list of character vectors where the first element of
each vector is a consequent part of the rule and the rest is the antecedent part of the rule.
Function returns a list of antecedents.