Clustering can refer to the following:

In demographics:

  • Clustering (demographics), the gathering of various populations based on factors such as ethnicity, economics or religion.

In graph theory:

  • The formation of clusters of linked nodes in a network, measured by the clustering coefficient.

In statistics and data mining:

  • A result of cluster analysis.
  • An algorithm for cluster analysis, a method for statistical data analysis.

In computing:

  • Cluster (computing), the technique of linking many computers together to act like a single computer .
  • Data cluster, an allocation of contiguous storage in databases and file systems.
  • In hash tables, the mapping of keys to nearby slots.