lower bounds
Interesting Rule Groups
•
Concept of a
rule group/equivalent class
–
rules supported by exactly the same set of rows are grouped
together
•
Example: the following rules are derived from row 2,3
and 4 with 66% confidence
–
–
ae-->C (66%)
ah--> C(66%)
eh-->C (66%)
e-->C (66%)
h-->C (66%)
upper
bound
aeh--> C(66%)
a-->C however is not in
the group