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Country : Australia
Assignment Task :

PART A: SHORT ANSWER  

Instructions: 

• Use the answer booklet to answer the questions in this part. 

• Attempt any 10 questions. All questions have equal value (6 marks each). 

1 With relation to data mining, identify whether the tasks below are supervised or unsupervised learning. Give a justification to your answer. 

(a) Deciding whether to issue a loan to an applicant based on demographic and financial data (with reference to a database of similar data on prior customers). 

Supervised learning, because the database includes information on whether the loan was approved or not.  

(b) In an online bookstore, making recommendations to customers concerning additional items to buy based on the buying patterns in prior transactions. 

Unsupervised learning, because there is no apparent outcome (e.g., whether the recommendation was adopted or not). 

(c) Identifying a network data packet as dangerous (virus, hacker attack) based on comparison to other packets whose threat status is known.

Supervised learning, because for the other packets the status is known.  

2 Describe the difference in roles assumed by the training dataset, validation dataset and test dataset. 

 

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  • Posted on : June 13th, 2019
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