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Question ID 6268

You are using the Apriori algorithm to determine the likelihood that a person who owns a home has a good credit score. You have determined that the confidence for the rules used in the algorithm is > 75%. You calculate lift = 1.011 for the rule, "People with good credit are homeowners". What can you determine from the lift calculation?

Option A

Support for the association is low

Option B

Leverage of the rules is low

Option C

The rule is coincidental

Option D

The rule is true

Correct Answer C
Explanation


Question ID 6269

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}

The minimum support is 25%. Which rule has a confidence equal to 50%?

Option A

{bread,milk} => {cheese}

Option B

{bread} => {milk}

Option C

{juice} => {soda}

Option D

{bread} => {cheese}

Correct Answer D
Explanation

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