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Human renal cell carcinoma: shrunken centroids and t-statistics. (A) The shrunken centroids for cancerous tissue. (B) The shrunken centroids for normal tissue. (C) The shrunken t-statistics for normal and cancerous tissue, showing 215 m/z (t'normal,215 = 18.83) is strongly associated with normal tissue, and 886 m/z (t'cancer,886 = 15.9) is strongly associated with cancerous tissue.
