Table 8: Different feature selection techniques used for microarray data.

Name of the Method	Filter	Wrapper	Embedded	Other
Signal-to-noise-Ratio(SNR) [65-69]	Y	X	X	X
t-test [121]	Y	X	X	X
Euclidean Distance [66, 67]	Y	X	X	X
Bayesian Network [64]	Y	X	X	X
Information Gain (IG) [63]	Y	X	X	X
Correlation-based Feature Selection [70]	Y	X	X	X
FCBF [71]	Y	X	X	X
ReliefF [69]	Y	X	X	X
mRMR method [72]	Y	X	X	X
EFA [73]	Y	X	X	X
PCC [66, 86]	Y	X	X	X
SAM [87, 115]	Y	X	X	X
correlation coefficient [114]	Y	X	X	X
redundancy based filter [110]	Y	X	X	X
BIRS [74]	X	Y	X	X
Classical wrapper search algorithm [75]	X	Y	X	X
GA-KDE-Bayes [76]	X	Y	X	X
SPS [77]	X	Y	X	X
RGS-PSO [118]	X	Y	X	X
FRFS [79]	X	X	Y	X
IFP [80]	X	X	Y	X
KP-SVM [81]	X	X	Y	X
PAC-Bayes [82]	X	X	Y	X
Random Forest [83]	X	X	Y	X
Recursive Feature Elimination (SVM-RFE)	X	X	Y	X
Ensemble feature selection (EF) [84]	X	X	X	Y
MFMW [85]	X	X	X	Y
SNR-PSO [49]	X	X	X	Y
BBO [117]	X	X	X	Y