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- W212001540 abstract "Clustering is considered one of the most powerful tools for analyzing gene expression data. Although clustering has been extensively studied, a problem remains significant: iterative techniques like k-means clustering are especially sensitive to initial starting conditions. An unreasonable selection of initial points leads to problems including local minima and massive computation. In this paper, a spatial contiguity analysis-based approach is proposed, aiming to solve this problem. It employs principal component analysis (PCA) to identify data points that are likely extracted from different clusters as initial points. This helps to avoid local minima, and accelerates the computation. The effectiveness of the proposed approach was validated on several benchmark datasets." @default.
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- W212001540 date "2014-01-01" @default.
- W212001540 modified "2023-09-27" @default.
- W212001540 title "Initial points selection for clustering gene expression data: A spatial contiguity analysis-based approach" @default.
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- W212001540 doi "https://doi.org/10.3233/bme-141199" @default.
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