DATABASE FUNDAMENTALS
DATA WAREHOUSING AND DATA MINING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A subdivision of a set of examples into a number of classes
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A measure of the accuracy, of the classification of a concept that is given by a certain theory
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The task of assigning a classification to a set of examples
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None of these
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Detailed explanation-1: -Explanation: Classification accuracy is a metric that summarizes the overall performance of a class version because of the wide variety of accurate predictions divided with the aid of using the overall wide variety of predictions.
Detailed explanation-2: -Explanation: classification is a term that is a subdivision of a set. A large amount of data is classified or divided into different groups based on the similarities of the data or based on a specific rule. 13. Which is the correct option regarding data mining?
Detailed explanation-3: -Classification is a data mining function that assigns items in a collection to target categories or classes. The goal of classification is to accurately predict the target class for each case in the data. For example, a classification model could be used to identify loan applicants as low, medium, or high credit risks.
Detailed explanation-4: -Data classification is broadly defined as the process of organizing data by relevant categories so that it may be used and protected more efficiently. On a basic level, the classification process makes data easier to locate and retrieve.
Detailed explanation-5: -Apart from these, a data mining system can also be classified based on the kind of (a) databases mined, (b) knowledge mined, (c) techniques utilized, and (d) applications adapted.