Table 2.
Selected Features and Corresponding Coefficients for Each Stage by LASSO Algorithm
| Stage I | Stage II | Stage III | |||
|---|---|---|---|---|---|
| Features | Coefficients | Features | Coefficients | Features | Coefficients |
| LGSRE | 0.0805 | LGZE | 0.0410 | RLV | −0.0744 |
| StrengthNGTDM | 0.2446 | ContrastCM | 0.0252 | ContrastNGTDM | 0.1401 |
| ZP | 0.0875 | SUVpeak | −0.8377 | BusynessNGTDM | −0.1233 |
| HGZE | 0.0253 | CoarsenessTFC | 0.0324 | SZE | −0.1271 |
| IDMCM | −0.5174 | MeanconvergenceTFC | 0.2342 | ZP | 0.3261 |
| SUVmin | −0.0468 | LGSZE | 0.3970 | ||
| SUVmax | −0.2532 | LGLZE | −0.2040 | ||
| SUVmean | −0.7096 | EnergyCM | 0.3625 | ||
| SUVsd | −0.0930 | SUVmin | −0.0022 | ||
| CoarsenessTFC | −0.1296 | SUVmean | −0.8940 | ||
| IDMTFCCM | 0.0256 | SUVpeak | −0.3982 | ||
| CodeSimilarity | 0.2016 | EnergyTFCCM | −0.1066 | ||
| LNE | −0.0489 | ||||