Table 8. Actual classification performance for Lung cancer dataset using KNN classifier.

	Sensitivity	Specificity	GMean	PPV	F1-measure
DWFS	63.52% (±10.21)	66.39% (±13.29)	64.82% (±10.73)	63.49% (±17.41)	63.14% (±13.27)
MRMR+DWFS	61.82% (±10.6)	66.72% (±6.37)	64.1% (±7.61)	62.88% (±9.13)	61.94% (±7.66)
JMI+DWFS	56.14% (±16.39)	78.33% (±8.16)	65.65% (±10.19)	70.06% (±13.39)	61.27% (±12.33)
MRMR	57.38% (±10.61)	71.94% (±13.29)	63.98% (±9.83)	66.19% (±12.92)	60.84% (±9.39)
JMI	54.96% (±16.17)	72.17% (±11.17)	62.43% (±11.93)	64.29% (±17.51)	58.41% (±14.32)
WEKA	61.66% (±7.95)	63.06% (±11.61)	62.04% (±7.44)	60.8% (±14.68)	60.26% (±9.33)
FST3	57.63% (±9.72)	67.06% (±5.66)	61.82% (±4.75)	61.37% (±9.92)	58.88% (±8.14)
ALL Features	59.43% (±12.14)	63.67% (±17.65)	60.89% (±10.61)	61.62% (±18.05)	59.65% (±12.32)
Correlation-baseline	60.29% (±8.75)	65.44% (±10.5)	62.5% (±6.47)	61.44% (±12.68)	60.19% (±7.55)