Classical

Data Mining - Data Mining MCQ

11:  

Cluster is

A.

Group of similar objects that differ significantly from other objects

B.

Operations on a database to transform or simplify data in order to prepare it for a machine-learning algorithm

C.

Symbolic representation of facts or ideas from which information can potentially be extracted

D.

None of these

 
 

Option: A

Explanation :


12:  

Black boxes are

A.

This takes only two values. In general, these values will be 0 and 1 and they can be coded as one bit.

B.

The natural environment of a certain species

C.

Systems that can be used without knowledge of internal operations

D.

None of these

 
 

Option: C

Explanation :


13:  

A definition of a concept is-----if it recognizes all the instances of that concept

A.

Complete

B.

Consistent

C.

Constant

D.

None of these

 
 

Option: A

Explanation :


14:  

Data mining is

A.

The actual discovery phase of a knowledge discovery process

B.

The stage of selecting the right data for a KDD process

C.

A subject-oriented integrated time variant non-volatile collection of data in support of management

D.

None of these

 
 

Option: A

Explanation :


15:  

A definition or a concept is------------- if it classifies any examples as coming within the concept

A.

Complete

B.

Consistent

C.

Constant

D.

None of these

 
 

Option: B

Explanation :




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