IT 445 Q2
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IT445Assignments21.docx|
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Assignment 2
Deadline: Day 24/3/2019 @ 23:59
[Total Mark for this Assignment is 6]
Decision Support Systems
IT445
College of Computing and Informatics
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Question One
2 Marks
Learning Outcome(s): LO4
Resolve the issues involved in the management and development of DSS.
In bag-of-word approach, given the corpus below, do the following:
a) Create a term dictionary (1 gram only)
b) Create term-by-document matrix
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Document |
Text |
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1 |
I am a good student who likes reading |
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2 |
He is not a very good swimmer |
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3 |
The class was very long and not very useful |
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4 |
The game is fun and tense |
c) Identify the stop words in the corpus
Question Two
2 Marks
Learning Outcome(s): LO3
Use some DSS and demonstrate the database working with DSS and statistical models.
Differentiate between a single layer perceptron and a multilayer perceptron and give diagrammatic examples.
Question Three
2 Marks
Learning Outcome(s): LO4
Resolve the issues involved in the management and development of DSS.
Data Preparation is a critical data mining task. Differentiate between the following:
Data cleaning:
Data integration:
Data selection:
Data transformation:
