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An efficient optimal leaf ordering for hierarchical clustering in microarray gene expression data analysis

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2 Author(s)
Zhang, J. ; Sch. of Comput. Sci., Oklahoma Univ., Norman, OK, USA ; Gruenwald, L.

The objective of This work is to derive an efficient and optimal ordering method for genes produced by binary hierarchical clustering. The proposed method examines all possible 2n-1 orderings in O(n2) time complexity. Compared to the previously proposed methods, our proposed solution is efficient and optimal.

Published in:

Database and Expert Systems Applications, 2004. Proceedings. 15th International Workshop on

Date of Conference:

30 Aug.-3 Sept. 2004