SOA Exam SRM Sample Question 43
Study guide: Exam SRM
Determine which of the following statements about clustering methods is NOT true.
- A) Clustering is used to discover structure within a data set.
- B) Clustering is used to find homogeneous subgroups among the observations within a data set.
- C) Clustering is an unsupervised learning method.
- D) Clustering is used to reduce the dimensionality of a dataset while retaining explanation for a good fraction of the variance.
- E) In K-means clustering, it is necessary to pre-specify the number of clusters.
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