Recognition of Multiple Imbalanced Cancer Types Based on DNA Microarray Data Using Ensemble Classifiers

Table 1

Datasets used in this study.

Dataset	Number of samples	Number of classes	Number of genes	Imbalance ratio	Diagnostic task
Brain_Tumor1	90	5	5920	15.00	5 human brain tumor types
Brain_Tumor2	50	4	10367	2.14	4 malignant glioma types
Leukemia1	72	3	5327	4.22	Acute myelogenous leukemia (AML), acute lymphoblastic leukemia (ALL) B-cell, and ALL T-cell
Leukemia2	72	3	11225	1.40	AML, ALL, and mixed-lineage leukemia (MLL)
Lung_Cancer	203	5	12600	23.17	4 lung cancer types and normal tissues
SRBCT	83	4	2308	2.64	Small, round blue cell tumors (SRBCT) of childhood
11_Tumors	174	11	12533	4.50	11 various human tumor types
14_Tumors	308	26	15009	10.00	14 various human tumor types and 12 normal tissue types