Skip to main content
Cross Validated
Michael Hahsler's user avatar
Michael Hahsler's user avatar
Michael Hahsler's user avatar
Michael Hahsler
  • Member for 9 years, 4 months
  • Last seen more than a week ago
Profile Activity

12 Actions

All Accepts Posts Badges Comments Revisions Reviews Suggestions
comment
Understanding Item-based collaborative filtering
Then you just have no recommendation. In an actual implementation of a recommender system, you probably will resort to recommending popular items instead.
awarded
 Excavator
revised
Evaluating Association Rules Using Kulczynski and Imbalance Ratio
The - is a typo. It should be +support(B) - see "Re-examination of interestingness measures in pattern mining: a unified framework" by Tianyi Wu, Yuguo Chen and Jiawei Han
comment
Evaluating Association Rules Using Kulczynski and Imbalance Ratio
@javadba the -support(B) is a typo. it needs to be +support(B) (see "Re-examination of interestingness measures in pattern mining: a unified framework" by Tianyi Wu, Yuguo Chen and Jiawei Han) and the code in arules is correct. I have edited the answer to reflect this.
suggested
Approve
Evaluating Association Rules Using Kulczynski and Imbalance Ratio
awarded
 Supporter
awarded
 Editor
revised
Understanding Item-based collaborative filtering
deleted 4 characters in body
awarded
 Autobiographer
comment
Evaluating Association Rules Using Kulczynski and Imbalance Ratio
I don't have an answer, but a comment. I think IR should have + support(B) in the denominator.
awarded
 Teacher
answered
Understanding Item-based collaborative filtering