Efficient intelligent framework for selection of initial cluster centers

Автор: Bikram K. Mishra, Amiya K. Rath, Santosh K. Nanda, Ritik R. Baidyanath

Журнал: International Journal of Intelligent Systems and Applications @ijisa

Статья в выпуске: 8 vol.11, 2019 года.

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At present majority of research is on cluster analysis which is based on information retrieval from data that portrays the objects and their association among them. When there is a talk on good cluster formation, then selection of an optimal cluster core or center is the necessary criteria. This is because an inefficient center may result in unpredicted outcomes. Hence, a sincere attempt had been made to offer few suggestions for discovering the near optimal cluster centers. We have looked at few versatile approaches of data clustering like K-Means, TLBOC, FEKM, FECA and MCKM which differs in their initial center selection procedure. They have been implemented on diverse data sets and their inter and intra cluster formation efficiency were tested using different validity indices. The clustering accuracy was also conducted using Rand index criteria. All the algorithms computational complexity was analyzed and finally their computation time was also recorded. As expected, mostly FECA and to some extend FEKM and MCKM confers better clustering results as compared to K-Means and TLBOC as the former ones manages to obtain near optimal cluster centers. More specifically, the accuracy percentage of FECA is higher than the other techniques however, it’s computational complexity and running time is moderately higher.

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Optimal Cluster Center, Performance index, Clustering Accuracy, K-Means, Modified Center K-Means and Far Efficient K-Means

Короткий адрес: https://readera.ru/15016615

IDR: 15016615   |   DOI: 10.5815/ijisa.2019.08.05

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