Parses several implications given as a string
parse_implications(input)
(character) The string with the implications or a file containing the implications
An ImplicationSet
The format for the input file is:
Every implication in its own line or separated by semicolon (;)
Attributes are separated by commas (,)
The LHS and RHS of each implication are separated by an arrow (->)
input <- system.file("implications", "ex_implications", package = "fcaR")
imps <- parse_implications(input)