Visualization of Cluster Changes by Comparing Self-organizing Maps

@inproceedings{Denny2005VisualizationOC,
  title={Visualization of Cluster Changes by Comparing Self-organizing Maps},
  author={Denny and David McG. Squire},
  booktitle={PAKDD},
  year={2005}
}
In this paper we introduce Self-Organizing Map-based techniques that can reveal structural cluster changes in two related data sets from different time periods in a way that can explain the new result in relation to the previous one. These techniques are demonstrated using a real-world data set from the World Development Indicators database maintained by the World Bank. The results verify that the methods are capable of revealing changes in cluster strucure and membership, corresponding to… CONTINUE READING
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