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Figure 1 | Journal of Translational Medicine

Figure 1

From: A gene expression signature associated with survival in metastatic melanoma

Figure 1

Supervised hierarchical representation of the 80 probes selected by SAM and related to survival probability. In blue the 80 probes selected by SAM and in black the 30 transcripts used to build the SPC survival predictor. Samples are labeled according to survival probability curves of Figure 2 (solid and dotted line for shorter and longer survival, respectively) and Martingale residuals of the null model are reported for each specimen. The Martingale residuals represent the difference between the observed and expected number of events for each individual. Thus, large negative residuals indicate that the observed number of deaths is less than the expected number of deaths, i.e. the individual lived longer than expected. Large positive residuals (closed to 1) indicate that the observed number of deaths is greater than the expected number of deaths, i.e. the individual's survival time was shorter than expected.

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