DBM301Xuất hiện trong 1 đề thi
Which of the following definitions describes clustering?
Các lựa chọn
AClustering is the process of grouping data into classes, or clusters so that objects within a cluster have high similarity in comparison to one another.
BClustering is a hierarchical method that creates a hierarchical decomposition of the given set of data objects.
CClustering given a database of n objects or data tuples, a partitioning method constructs k partitions of data, where each partition represents a cluster and $k \le n$.
DClustering is a hierarchical method that creates a sequential decomposition of the given set of data objects.