Table 5.
Relative importance of features used for model building (LASSO) for whole tumour and single slice.
|
Whole tumour |
Single slice |
||
|---|---|---|---|
| Feature | Relative importance | Feature | Relative importance |
| Skewness (SSF 6) | 100 | Skewness (SSF 0) | 100 |
| SD (SSF 2) | 61.97877 | Mean (SSF 6) | 68.4919 |
| Skewness (SSF 0) | 60.16302 | SD (SSF 2) | 61.35226 |
| Kurtosis (SSF 3) | 29.48633 | Skewness (SSF 6) | 43.51694 |
| Mean (SSF 2) | 27.38745 | Entropy (SSF 2) | 17.33853 |
| Kurtosis (SSF 6) | 20.33263 | Kurtosis (SSF 2) | 11.05598 |
| MPP (SSF 6) | 19.11105 | – | – |
| Kurtosis (SSF 0) | 8.136731 | – | – |
SD: standard deviation; MPP: mean of positive pixels; SSF: spatial scale filter; LASSO: least absolute shrinkage and selection operator.