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IGSA (Individual Gene Sets Analysis) is an application software based on Java and R that leverages a powerful analytical capacity. It can be used for gene sets enrichment and samples clustering. In gene sets enrichment, IGSA takes account of the heterogeneity of genes expression in samples and the homogeneity at the functional level, trying to pick out more particular and more significant gene sets. In sample clustering, IGSA clusters the samples based on the significant pathways rather than genes. It also takes an integrating clustering strategy, letting the samples gather into the set according to the degree of possible deterioration.
IGSA can be accessed at http://210.46.85.180:8080/IGSAWeb.