<Dl> <Dt> Crime analysis </Dt> <Dd> Cluster analysis can be used to identify areas where there are greater incidences of particular types of crime . By identifying these distinct areas or "hot spots" where a similar crime has happened over a period of time, it is possible to manage law enforcement resources more effectively . </Dd> <Dt> Educational data mining </Dt> <Dd> Cluster analysis is for example used to identify groups of schools or students with similar properties . </Dd> <Dt> Typologies </Dt> <Dd> From poll data, projects such as those undertaken by the Pew Research Center use cluster analysis to discern typologies of opinions, habits, and demographics that may be useful in politics and marketing . </Dd> </Dl> <Dd> Cluster analysis can be used to identify areas where there are greater incidences of particular types of crime . By identifying these distinct areas or "hot spots" where a similar crime has happened over a period of time, it is possible to manage law enforcement resources more effectively . </Dd> <Dt> Educational data mining </Dt> <Dd> Cluster analysis is for example used to identify groups of schools or students with similar properties . </Dd>

Different type of data used in cluster analysis