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Table 1 The feature selection results of the filter methods

From: A comparison study on feature selection of DNA structural properties for promoter prediction

  IG CHI ReliefF CFS
Structural features 200 300 200 300 200 300 200 300
A-philicity 2 5 2 5 5 4.7 7.9 8.8
B-DNA twist 0 0 0 0 2 2.7 6.2 4.7
Bendability 2 3 2 3 6 6.7 8.4 7.8
Stacking energy 3 3 3 3 7 7.7 5.7 9.4
DNA-bending stiffness 19.5 17.3 20 17.3 13 12 17.6 9.4
DNA denaturation 11 14.7 10.5 14.7 9 9.7 18.9 10.1
Duplex free energy 21.5 20 22 20 15 15.7 11 8.5
Duplex disrupt energy 23.5 17.7 23 17.7 17.5 16.3 5.7 5
Nucleosome position 2 2.3 2 2.3 3 4 2.6 7.5
Propeller twist 6 8 6 7.7 5.5 5.3 5.3 9.1
Protein deformation 4 4 4 4 6.5 5.7 3.1 7.5
Protein-DNA twist 2 1.3 2 1.3 3.5 4 4.4 4.7
Z-DNA 3.5 3.7 3.5 4 7 5.7 3.1 7.5
  1. The distribution of each feature in the dimension subset selected by different filter methods. The percentage of each feature in a selected subset is calculated as follows: (the number of dimensions related to the feature/the total number of dimensions in the selected dimension subset)*100%.