compared with the rules generated for the EDS and comparison shows that association
rules for EDS does not reveal appropriate information that can be associated with an
accident. More information can be identified if more feature are available that is associated
with an accident. To strengthen our methodology, we also performed trend analysis
of all clusters and EDS on monthly and hourly basis. The results of trend analysis also
supports our methodology that performing clustering prior to analysis helps in identify
better and useful results that we cannot obtained without using cluster analysis.