More Related Content
Similar to Association rule Intuition (20)
More from Rahul Tiwari (9)
Association rule Intuition
- 5. Copyright © Cognitior www.cognitior.com
AssociationRule -AnIntuition
• Milk & Cheese
transactions by
total number of
transactions
(6/9)
Support
• Milk & Cheese
transactions by
total number of
milk transactions
(6/6)
Confidence
• Milk & Cheese
by milk
• Cheese by Total
((6/6)/(7/9))
Lift
Support: It is a measure of how frequently the collection of
items occur together as a percentage of all transactions.
Confidence: How often items in Cheese appear in transactions
that contain Milk only.
Lift: How much our confidence has increased that Cheese will
be purchased given that Milk was purchased.