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Association Rule Mining MCQ's

1.  What is the support for Screen Guard ?

   View Answer   

   0.8



2.  What is the support for Power Bank ?

   View Answer   

   0.6



3.  What is the confidence for Screen Guard -> Mobile Cover ?

   View Answer   

   0.5



4.  What is the confidence for Power Bank -> Mobile Cover ?

   View Answer   

   .33



5.  In the Association Rule [ Screen Guard , Mobile Cover -> Power Bank ] , what is the consequent ?

   View Answer   

   powerbank



6. The FP Growth algorithm is not memory efficient.

   View Answer   

   False



7. You are a Data Scientist in an e-commerce company . You are analyzing all the transactions that happened over the past 1 week in your site. You observe that of the five hundred transactions that happened , two hundred of them had a mobile phone in them. What is the support for mobile phones in the last 1 week ?

   View Answer   

   0.4



8. What metric is first calculated for each item in the apriori algorithm ?

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   Support



9. What are the pre-requisites for generating an Association Rule ?

   View Answer   

   Support and Confidence



10. Proportion of transactions with A and B / (Proportion of transactions with A) * (Proportion of transactions with B) . What is this formula ?

   View Answer   

   Lift(A->B)



1. Left hand side of an Association Rule is called ?

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   Antecedent



11. Which property states that an itemset can be considered frequent only if all the items in the set are frequent ?

   View Answer   

   Upward Closure Property



12. Right hand side of an Association Rule is called ?

   View Answer   

   Consequent



13. The confidence of (A->B) is not always same as confidence of (B->A) .

   View Answer   

   TRUE



14. What is considered a challenge in implementing the Apriori Algorithm ?

   View Answer   

   Sometime too few item set



15. What is considered a challenge in implementing the Apriori Algorithm ?

   View Answer   

   Sometime too few item set



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