Table 4 Cross-validated performance estimates for analyses predicting postnatal and postmenstrual age at scan using offset features
From: Aperiodic parameters of the fMRI power spectrum associate with preterm birth and neonatal age
Term-born postnatal | Full sample postnatal | Term-born postmenstrual | Full sample postmenstrual | |
|---|---|---|---|---|
Train R² | 0.50 ± 0.02 | 0.31 ± 0.01 | 0.47 ± 0.02 | 0.50 ± 0.02 |
Test R² | 0.36 ± 0.09 | 0.24 ± 0.12 | 0.32 ± 0.11 | 0.35 ± 0.13 |
Train MAE | 0.74 ± 0.02 | 1.83 ± 0.04 | 0.96 ± 0.02 | 1.29 ± 0.03 |
Test MAE | 0.83 ± 0.07 | 1.88 ± 0.26 | 1.07 ± 0.11 | 1.42 ± 0.15 |