Question

You and frank examine the data you've collected. you discover that two main groups of people are buying healthy-food cookbooks: parents of small children and the elderly. what kind of unsupervised data mining technique are you and frank engaged in?

Answer 1

The fact that you and Frank examine the data you've collected and discover that two main groups of people are buying healthy-food cookbooks: parents of small children and the elderly means that you are using cluster analysis as a unsupervised data mining technique.

Cluster analysis sorts different objects into groups that are meaningful and useful in a way that the degree of association between two objects is maximal if they belong to the same group and minimal otherwise.

Answer 2

The type of technique related to data mining that the 2 people used is classification. Other mining techniques include clustering, association, predicting, sequential patterns, and others. Classification is the categorization of data according to the set groups.