Figure 6. Identification of prostate cancer subtypes. (A–D) Clustering results for k = 2, k = 3, k = 4, and k = 5; (E–H) Survival curves for k = 2, k = 3, k = 4, and k = 5, with different colors representing different clusters; (I) CDF curve distribution for consensus clustering; (J) Distribution of area under the CDF curve for consensus clustering; (K) PCA scatter plot showing the classification results, with red representing C1 and blue representing C2.