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There are many studies about using traditional clustering algorithms like K-means, SOM and Two-Step algorithms to cluster electricity consumption data for definition of representative consumption patterns or for further classification and prediction work. However, these approaches are lack of scalability with high dimensions. Nevertheless, they are widely used, because algorithms for clustering high dimensional data sets are difficult to implement and it is hard to find open sources. In this paper, the authors adopt several subspace and projected clustering algorithms (subspace projection method) and apply them to the electricity consumption data.
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