Skip to main content

Table 1 Related feature selection methods

From: Supervised redundant feature detection for tumor classification

Methods Predictive power Redundancy measure Merit function of candidate feature Ref
CFS I(X i ; Y) I(X p ; X i ) Δ ( i = 1 p I ( X i ; Y ) p + i = 1 p j = 1 p I ( X i ; X j ) ) [12]
MIFS I(X p ; Y) I(X p ; X i ) I ( X p ; Y ) - β i = 1 p - 1 I ( X p ; X i ) [13]
mRMR I(X p ; Y) I(X p ; X i ) I ( X p ; Y ) - 1 p - 1 i = 1 p - 1 I ( X p ; X i ) [16]
MIFS-U I(X p ; Y) I X i ; Y H X i I X p ; X i I ( X p ; Y ) - β i = 1 p - 1 [ I X i ; Y H X i I X p ; X i ] [14]
mIMR, JMI I(X p ; Y) I(X i ; X p ; Y) I ( X p ; Y ) - 1 p - 1 i = 1 p - 1 [ I ( X i ; X p ) - I ( X i ; X p | Y ) ] [17],[24]
CMIM, IF I(X p ; Y) I(X i ; X p ; Y) I(X p ; Y) − maxi [1:p−1][I(X p ; X i ) − I(X p ; X i |Y)] [18],[25]