Official Journal of the Japan Wood Research Society
Groups | Spectra pretreatment | Factors | Calibration set | Prediction set | Correct prediction (%) | ||
---|---|---|---|---|---|---|---|
R 2c | RMSEC | R 2p | RMSEP | ||||
A | Original | 4 | 0.95 | 0.23 | 0.95 | 0.21 | 100 |
Second derivative | 2 | 0.91 | 0.30 | 0.91 | 0.30 | 100 | |
B | Original | 6 | 0.86 | 0.37 | 0.89 | 0.34 | 100 |
Second derivative | 4 | 0.90 | 0.32 | 0.91 | 0.30 | 100 | |
C | Original | 3 | 0.92 | 0.29 | 0.94 | 0.24 | 100 |
Second derivative | 2 | 0.92 | 0.27 | 0.90 | 0.32 | 100 | |
D | Original | 6 | 0.89 | 0.34 | 0.90 | 0.32 | 100 |
Second derivative | 3 | 0.91 | 0.30 | 0.90 | 0.32 | 100 | |
E | Original | 7 | 0.89 | 0.33 | 0.90 | 0.33 | 99.7 |
Second derivative | 5 | 0.92 | 0.28 | 0.93 | 0.28 | 100 |