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Table 3 Performance comparison of the unsupervised clustering algorithms on NSCLC data set.

From: An algorithm for classifying tumors based on genomic aberrations and selecting representative tumor models

Methods

P-value for TTRa

P-value for OSb

Stability Testc

our gNMF

0.001

0.250

14.24%

hierarchical clustering

0.168

0.137

23.32%

original gNMF

0.085

0.144

21.59%

K-means

0.566

0.413

23.27%

  1. a The p-values comparing TTR of NSCLC patients classified into different subtypes by each clustering method
  2. b The p-values comparing OS of NSCLC patients classified into different subtypes by each clustering method
  3. c The error rate of 10-fold stability test for each method