Table 2. PLS regression results for MIR microscopic imaging: root mean square error of cross validation (RMSECV), standard error of cross validation (SECV), R 2 and calculated ratio performance deviation (RPD). Best calibrations are highlighted in bold. R 2 refers to validation.
RMSECV | SECV | R 2 | RPD | |
MIR/micro-CT BV/TV | 0.0621 | 0.0679 | 0.4508 | 6.64 |
MIR/EDS mapping Ca/C | 0.0518 | 0.0539 | 0.8557 | 15.8 |
MIR/EDS mapping Ca + P | 1.8151 | 2.1981 | 0.7840 | 0.36 |