Define support and confidence in Association rule mining.

4 years ago
Data Mining and Data Warehousing

Support S is the percentage of transactions in D that contain AUB.

Confidence c is the percentage of transactions in D containing A that also contain B.

Support ( A=>B)= P(AUB)

Confidence (A=>B)=P(B/A)

1
Rajiv Shah
Rajiv Shah
Sep 24, 2021
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