Efektywność metody k-średnich w zależności od separowalności grup
Cluster separability and the effectiveness of k-means method

Summary/Abstract: Selected results of simulation analysis on k-means method effectiveness is pre-sented in the paper. The effectiveness is measured by the percentage of correctly identified observations. The effectiveness has been studied depending on group separability, wrongly identified number of clusters and the presence of outliers. The analytical function describing the effectiveness has been found and estimated.

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