DATABASE FUNDAMENTALS
DATA WAREHOUSING AND DATA MINING
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
Classification
|
|
Association rules
|
|
Clustering
|
|
Anomaly detection
|
Detailed explanation-1: -It includes various tasks such as classification, clustering, discrimination, characterization, association, and evolution analysis.
Detailed explanation-2: -Clustering: this data mining task is targeted to identify a finite set of categories or groupings (clusters) to describe the data.
Detailed explanation-3: -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-4: -Predictive model data mining tasks include classification, prediction, regression and time series analysis. The Descriptive task encompases methods such as Clustering, Summarizations, Association Rules, and Sequence analysis (Fig. 1). or numeric value.