You decide to run the association rules algorithm where minimum support is 50%. Which rule has a confidence at least 50%?

Consider a database with 4 transactions:

Transaction 1: {cheese, bread, milk}

Transaction 2: {soda, bread, milk}

Transaction 3: {cheese, bread}

Transaction 4: {cheese, soda, juice}

You decide to run the association rules algorithm where minimum support is 50%. Which rule has a confidence at least 50%?
A . {cheese} => {bread}
B . {juice} => {cheese}
C . {milk} => {soda}
D . {soda} => {milk}

View Answer

Answer: A