Data Mining and Data Warehousing

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IT446Assignment-3.docx

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Question Four

Assignment 3

Deadline: Day 15/11/2019 @ 23:59

[Total Mark for this Assignment is 6]

Data Mining and Data Warehousing

IT446

https://www.seu.edu.sa/sites/ar/SitePages/images/logo.png

College of Computing and Informatics

Question One

1 Marks

Learning Outcome(s):

LO 3 carry out recent data mining techniques and applications. 

What are the strength and weaknesses of Neural Network as a Classifier? Write any two strengths and any two weaknesses.

Question Two

2 Marks

Learning Outcome(s):

LO 4 Apply a wide range of clustering, estimation, prediction, and classification algorithms.

Differentiate Density-Reachable and Density-Connected clustering approach with proper explanation and diagrams.

Question Three

1 Marks

Calculate the support and the confidence of the rules by using the following database transaction.

Learning Outcome(s):

LO 4 Apply a wide range of clustering, estimation, prediction, and classification algorithms.

TID

Items

1

Rice, Meat

2

Rice, Juice, Chips, Cookies

3

Meat, Cookies, Juice, Coffee

4

Rice, Meat, Cookies, Juice

5

Rice, Meat, Coffee, Cookies

R1: Rice Cookies, Meat

R2: Meat, Cookies Juice

Answer:

Support (R1) = Confidence (R1) =

Support (R2) = Confidence (R2) =

Question Four

2 Marks

Using the given below decision tree, do the following:

Learning Outcome(s):

LO 4 Apply a wide range of clustering, estimation, prediction, and classification algorithms.

i. Convert this tree to if then rules

ii. Predict the class of each record

Parents Visiting

Weather

Money

Prediction

1

Yes

Sunny

Rich

2

No

Rainy

Rich

3

Yes

Rainy

Poor

4

No

Windy

Rich