Cluster analysis is the task of grouping some objects such that objects from the same group tend to be similar together than to those people in other groups. It is a primary task of exploratory files mining, and a standard technique for statistical data analysis, utilized in many fields, including machine learning, routine recognition, image evaluation, information retrieval, and also bioinformatics. Cluster analysis enable you to discover structures in data without providing a conclusion or interpretation. In other words, cluster analysis simply discovers patterns in data without telling you why they occur.