0 5 10 15 20 25 30 35 40 45 50 0
200 400 600 800 1000 1200 1400 1600 1800
yi (x) ! ylinei (line)
xi
O O
O
O O O
OO O
O
O
O O
PCA PLS
gradient of y
contours of y data cloud
1 2 3 4 5 6 7 8 9 1
1.2 1.4 1.6 1.8 2 2.2 2.4
PCR
Number of Components
PRESS/(Min PRESS)
Best number of components
1 2 3 4 5 6 7 8 9
1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9
PLS
Number of Components
PRESS/(Min PRESS)
Best number of components
1 2 3 4 0.025
0.03 0.035 0.04 0.045 0.05 0.055
RMSE Prediction RMSE fitting
PCR!5 Components
PLS!4 Components
CCA LS
0 2000 4000 6000 8000 10000 12000 14000 16000 18000 2.5
3 3.5
Samples
Magnitude
PCR Model Fitting ! 5 Components ! RMSEF = 0.03379
0 2000 4000 6000 8000 10000 12000 14000 16000 18000
!0.15
!0.1
!0.05 0 0.05 0.1 0.15 0.2
Samples
Residuals
0 2000 4000 6000 8000 10000 12000 14000 16000 18000
2.5 3 3.5
Samples
Magnitude
PLS Model Fitting ! 4 Components RMSEF = 0.03316
0 2000 4000 6000 8000 10000 12000 14000 16000 18000
0
Samples
Residuals
0 2000 4000 6000 8000 10000 12000 14000 16000 18000 2.5
3 3.5
Samples
Magnitude
CCA Model Fitting ! RMSEF = 0.02988
0 2000 4000 6000 8000 10000 12000 14000 16000 18000
0
Samples
Residuals
0 500 1000 1500 2000 2500 3000 3500 4000
2.85 2.9 2.95 3 3.05 3.1 3.15
Samples
Magnitude
PCR Model Validation ! 5 Components ! RMSEP = 0.04308
0 500 1000 1500 2000 2500 3000 3500 4000
!0.15
!0.1
!0.05 0 0.05 0.1 0.15
Samples
Residuals
0 500 1000 1500 2000 2500 3000 3500 4000
2.85 2.9 2.95 3 3.05 3.1 3.15
PLS Model Validation ! 4 Components ! RMSEP = 0.04106
Samples
Magnitude
0 500 1000 1500 2000 2500 3000 3500 4000
!0.15
!0.1
!0.05 0 0.05 0.1 0.15
Samples
Residuals
0 500 1000 1500 2000 2500 3000 3500 4000 2.5
3 3.5
Samples
Magnitude
CCA Model Validation ! RMSEP = 0.05728
0 500 1000 1500 2000 2500 3000 3500 4000
!0.5 0 0.5
Samples
Residuals
2.9 3 3.1
!0.2 0
0.2 PCR Measured Output Vs. Residuals
Measured Output
Residuals
2.9 3 3.1
!0.2 0 0.2
PLS Measured Output Vs. Residuals
Measured Output
Residuals
2.9 3 3.1
!0.2 0
0.2 CCA Measured Output Vs. Residuals
Measured Output
Residuals
2.85 2.9 2.95 3 3.05 3.1 3.15 3.2 3.25 2.85
2.9 2.95 3 3.05 3.1 3.15 3.2
3.25 PCR ! Measured Output Vs. Predicted & Fitted Output
Measured Output
Predicted (dark) & Fitted (soft) Output
2.85 2.9 2.95 3 3.05 3.1 3.15 3.2 3.25
2.85 2.9 2.95 3 3.05 3.1 3.15 3.2 3.25
PLS ! Measured Output Vs. Predicted & Fitted Output
Measured Output
Predicted (dark) & Fitted (soft) Output
2.85 2.9 2.95 3 3.05 3.1 3.15 3.2 3.25 2.8
2.85 2.9 2.95 3 3.05 3.1 3.15
3.2 CCA ! Measured Output Vs. Predicted & Fitted Output
Measured Output