Clustering is the process of trying to make groups of objects that are more similar to each other than objects in other groups. Clustering is also called cluster analysis.
R has several tools to cluster your data (which we will investigate in this chapter):
For R, there are several packages available that provide clustering functionality for the programmer. We will use the following packages in the examples:
NbClust: This is the number of cluster indices
fpc: This contains flexible ...