Table 2. Error rates for supervised classification.

	French error	CTB error	Global error
(a) Classification based on all genes
GPLS	17	7	12
PAM	25	29	27
RF	33	14	23
LKSVM	25	7	15
(b) Classification based on H2O2 vs γ-radiation signature
GPLS	8	21	15
PAM	25	29	27
RF	42	7	23
LKSVM	25	7	15
	French error	CTB error	Global error	P
(c) Classification based on homologous radiation signature
GPLS	17	21	19	0.0038
PAM	25	21	23	<0.001
RF	42	21	31	0.063
LKSVM	8	21	15	0.0038

CTB=Chernobyl Tissue Bank; GPLS=generalised partial least-square; LKSVM=linear kernel support vector machines; PAM=prediction analysis of microarray; RF=random forest.

Classification and validation procedures are described in Materials and Methods.