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Table 2 Tumor types and class sizes of the randomly partitioned training and test sets of the NCI 60 dataset

From: Multiclass classification of microarray data with repeated measurements: application to cancer

Origin of cell lines Training set (total 43) Test set (total 18)
Breast 6 3
Central nervous system 4 1
Colon 5 2
Leukaemia 6 2
Melanoma 6 2
Non-small-cell-lung-carcinoma 6 3
Ovarian 4 2
Renal 6 3
  1. As no additional test set is available for the NCI 60 data, we randomly divided each class of these 61 samples into roughly three parts and reserved one third of the samples as a test set.