Table 2: PLS model characteristics for tanshinoneIIA.

PretreatmentLVsCalibration setValidation set
rcalRMSECRMSECVBIAScalrvalRMSEPRPDBIASval

Origin120.98401.3222.0120.9990.99661.28811.41.035
1std100.99690.9471.8490.6960.99701.14112.80.807
2ndd80.99910.5121.7750.3760.99810.93415.60.744
S-G120.99381.3382.0401.0120.99651.31211.21.052
MSC120.99700.9382.0230.7390.99741.08713.50.849
SNV110.99730.8911.6740.6220.99791.00914.50.553
WDS120.98961.7362.4781.2920.99251.9477.51.494