Measurements of fit and error for flinear compared with fbiexponential
| No. of Nonzero b-Valuesa | ROI | |||
|---|---|---|---|---|
| Tumors (n = 49) | Infarcts (n = 17) | |||
| R2 | RMSE | R2 | RMSE | |
| 7 | 0.913 | 0.0131 | 0.887 | 0.0128 |
| 4 | 0.890 | 0.0140 | 0.871 | 0.0113 |
| 3 | 0.870 | 0.0152 | 0.749 | 0.0139 |
| 2 | 0.853 | 0.0164 | 0.719 | 0.0144 |
Note:—R2 indicates coefficient of determination for linear regression of flinear on fbiexponential; RMSE, root mean square error.
↵a Indicates the total number of nonzero b-values used in the estimation of flinear (specific b-values are provided in Table 1).