Research Article
Considerations in Raman Spectroscopy for Real-Time API Concentration Measurement at Tablet Press Feed Frame
Table 3
Comparison of PLS models.
| Model comparison | Model performance parameters | APAP in lactose (flowing powder) | APAP in lactose (stationary powder) | APAP in MCC (stationary powder) |
| R2 training | 0.9931 | 0.9997 | 0.9996 | R2 cross-validation | 0.9886 | 0.9793 | 0.9667 | RMSEC | 0.187 | 0.329 | 0.0482 | RMSECV | 0.351 | 0.448 | 0.59 | RMSEP (%w/w) | 0.286 | 0.39 | 0.572 |
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