
Introduction to Knowledge Discovery and Data Mining
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
Fajar Dziki
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
what is the goal of clustering in data mining?
To predict future outcomes based on past data.
To derive models for clinical decision making.
To partition a data set into groups of similar objects.
To generate rules from market-basket data.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The objects within the same cluster should have high...?
Heterogeneity
Separation
Homogeneity
Dimensionality
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What term is used to describe the dissimilarity between objects belonging to different clusters?
Homogeneity
Separation
Association
Classification
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is mentioned as a common technique in data mining?
Data cleaning
Data transformation
Clustering
Data selection
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of learning is clustering considered in data mining?
Supervised learning
Reinforcement learning
Unsupervised learning
Deep learning
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
classification aims to do what with a new item of unknown class?
Summarize its features
Predict its class
Reduce its dimensionality
Find associations with other items
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of association rules ?
To predict a continuous value.
To group similar data points.
To generate rules from market-basket data.
To classify data into predefined categories.
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