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. 2015 Feb 5;16(3):537–549. doi: 10.1093/biostatistics/kxv001

Fig. 1.

Fig. 1.

The association of tumor size (mm) and the number of nodes with 5-year survival for the GBCS data set with the other covariates to their median value. The tick marks at the bottom of the plots indicate the skewness of both covariates.