Comparison between clustering algorithm for rainfall analysis in Kelantan / Wan Nurshazelin Wan Shahidan and Siti Nurasikin Abdullah

Analysis of rainfall behaviour has become important in many regions because it is related to many factors such as agricultural sector, water resource management, and flood disaster and landslide occurrence. The weather in Malaysia is characterized by two monsoon regimes called as Southwest Monsoon and Northeast Monsoon. Heavy rainfall will cause water level of river to reach its maximum level that may lead to flood disaster. Floods become more serious when people start losing the life of beloved ones and property. Although natural disasters are caused by nature and there is nothing that we can do to prevent them from happening, but yet being aware of its impact is a much required process that should be looked into thoroughly. The goal of this study is to analyse the rainfall analysis in Kota Bharu, Kelantan in order to overcome any bad consequences in future. Three types of clustering algorithm were used in this study, namely K - Means clustering, density based clustering and expectation maximization (EM) clustering algorithm. Comparisons between the clustering algorithms were conducted in this study to identify which clustering algorithm is the most suitable and simple for rainfall distribution. So, in this study clustering algorithm on rainfall distribution dataset is done using WEKA 3.8 software. The results found that K - Means clustering was the suitable and simple clustering algorithm based on time taken to build model.