Table 8.
Twelve pairs of features with correlation coefficient (|ρ|) > 0.75.
| Stable features screened out | Related features | Group | ρ |
|---|---|---|---|
| original_firstorder_Minimum(99) | original_firstorder_10Percentile(0) | A | 0.965 |
| B | 0.923 | ||
| C | 0.898 | ||
| D | 0.752 | ||
| CoLIAGe2D_WindowSize3_Contrast_firstorder_Range(96) | CoLIAGe2D_WindowSize3_Contrast_firstorder_Maximum(97) | A | 0.963 |
| B | 0.998 | ||
| C | 1.000 | ||
| D | 1.000 | ||
| CoLIAGe2D_WindowSize5_Sum.Average_firstorder_90Percentile(91) | CoLIAGe2D_WindowSize5_Sum.Average_firstorder_RootMeanSquared(0) | A | 0.970 |
| B | 0.865 | ||
| C | 0.788 | ||
| D | 0.817 | ||
| CoLIAGe2D_WindowSize11_Sum.Average_firstorder_Median(96) | CoLIAGe2D_WindowSize9_Sum.Average_firstorder_Mean(88) | A | 0.948 |
| B | 0.944 | ||
| C | 0.954 | ||
| D | 0.809 | ||
| CoLIAGe2D_WindowSize11_Sum.Average_firstorder_Median(96) | CoLIAGe2D_WindowSize9_Sum.Average_firstorder_RootMeanSquare(84) | A | 0.948 |
| B | 0.943 | ||
| C | 0.949 | ||
| D | 0.763 | ||
| CoLIAGe2D_WindowSize11_Sum.Average_firstorder_Median(96) | CoLIAGe2D_WindowSize11_Sum.Average_firstorder_Mean(90) | A | 0.991 |
| B | 0.964 | ||
| C | 0.989 | ||
| D | 0.963 | ||
| CoLIAGe2D_WindowSize11_Sum.Average_firstorder_Median(96) | CoLIAGe2D_WindowSize11_Sum.Average_firstorder_RootMeanSquared(91) | A | 0.991 |
| B | 0.962 | ||
| C | 0.980 | ||
| D | 0.941 | ||
| CoLIAGe2D_WindowSize11_Sum.Average_firstorder_RootMeanSquared(91) | CoLIAGe2D_WindowSize9_Sum.Average_firstorder_Mean(88) | A | 0.956 |
| B | 0.989 | ||
| C | 0.972 | ||
| D | 0.825 | ||
| CoLIAGe2D_WindowSize11_Sum.Average_firstorder_RootMeanSquared(91) | CoLIAGe2D_WindowSize9_Sum.Average_firstorder_RootMeanSquare(84) | A | 0.956 |
| B | 0.982 | ||
| C | 0.971 | ||
| D | 0.808 | ||
| CoLIAGe2D_WindowSize11_Sum.Average_firstorder_RootMeanSquared(91) | CoLIAGe2D_WindowSize11_Sum.Average_firstorder_90Percentile(54) | A | 0.991 |
| B | 0.881 | ||
| C | 0.950 | ||
| D | 0.775 | ||
| CoLIAGe2D_WindowSize11_Sum.Average_firstorder_RootMeanSquared(91) | CoLIAGe2D_WindowSize11_Sum.Average_firstorder_Mean(90) | A | 1.000 |
| B | 1.000 | ||
| C | 0.994 | ||
| D | 0.973 | ||
| wavelet.LLL_lbp.3D.k_firstorder_Skewness(95) | wavelet.LLL_lbp.3D.k_firstorder_Kurtosis(0) | A | 0.912 |
| B | 0.915 | ||
| C | 0.771 | ||
| D | 0.851 |
The first column is the Stable features that remained stable more than 90 times in Cross-validation (n=100). The second column is features that are related to Stable features. The number in () represents the number of times that the features remained stable in cross-validation (n=100).