Applying clustering analysis for discovering time series heterogeneity using Saint Petersburg morbidity rate as an illustration. However, the object's location can be determined by using the reflected signal from the object. Centre-Based clusters: Every object in the cluster is more similar to the centre also called the centroid than to the centre of any other cluster. Unsupervised learning methods are when there is no clear objective or outcome we are seeking to find. Each group is known as a cluster. Once the car is selected as the center of the densest cluster, it emits a signal that is received by the location tracing sensors .