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Communication Dans Un Congrès Année : 2011

Different variants of Normalized EM Algorithm for Gene Expression Data

Résumé

The actual clustering methods of directional data are commonly performed in considering data belonging to the unit radius sphere. In certain situations, assuming that the radius equal to one is not appropriated. In this work we propose to estimate it to be greater than one. We then suggest to apply a normalized EM algorithm and derive different variants. This procedure has shown an important influence on the clustering results of gene expression data.
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Dates et versions

hal-00740344 , version 1 (09-10-2012)

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Wafia Bouberima Parr, Yamina Khemal Bencheikh, Mohamed Nadif. Different variants of Normalized EM Algorithm for Gene Expression Data. The 2nd International Workshop on Biological Knowledge Discovery and Data Mining - DEXA '11, Sep 2011, Toulouze, France. pp.418-422, ⟨10.1109/DEXA.2011.26⟩. ⟨hal-00740344⟩

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