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Fig. 4 | BMC Medical Genomics

Fig. 4

From: Dealing with prognostic signature instability: a strategy illustrated for cardiovascular events in patients with end-stage renal disease

Fig. 4

Outlier detection. Scatter plots of standardized log2 expression values of some microarray features with strong conditional signature non-inclusion. The three observations considered as outliers for later analysis are indicated by triangles. Censored observations are indicated by hollow symbols, deaths after cardiovascular event by filled grey symbols, an deaths without prior cardiovascular events by filled black symbols

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