FUNDAMENTALS OF COMPUTER

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DATABASE FUNDAMENTALS

DATA WAREHOUSING AND DATA MINING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Choose which data mining task is the most suitable for the following scenario:To find groups of documents that are similar to each other based on important terms appearing in them
A
Classification
B
Clustering
C
Prediction
D
Association rules
Explanation: 

Detailed explanation-1: -Clustering is used to identify data objects that are similar to one another. The similarity can be decided based on a number of factors like purchase behavior, responsiveness to certain actions, geographical locations and so on.

Detailed explanation-2: -It includes various tasks such as classification, clustering, discrimination, characterization, association, and evolution analysis.

Detailed explanation-3: -Clustering: this data mining task is targeted to identify a finite set of categories or groupings (clusters) to describe the data.

Detailed explanation-4: -Association Rule Discovery (Unsupervised) Produce dependency rules which will predict the occurrence of an item based on occurrences of other items.

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