## 2 Results and Discussion
### Partial Least Square Discriminant Analysis
**} & \multirow{2}{*}{**Class**} & \multirow{2}{*}{**Calven**} & \multirow{2}{*}{**Calven**} & \multirow{2}{*}{**Calven**} & \multirow{2}{*}{**Calven**} & \multirow{2}{*}{**Linear**} & \multicolumn{6}{c}{**Concentration (pgL.FW)**} \\ \cline{5-11}  & & & & & & & & & & & & \\ \cline{5-11}  & & & & & & & & & & & & \\ \cline{5-11}  & & & & & & & & & & & & \\ \cline{5-11}  & & & & & & & & & & & & \\ \cline{5-11}  & & & & & & & & & & & & \\ \cline{5-11}  & & & & & & & & & & & & \\ \hline
64 & 1-Regional & \(y=0.250\times 0.001\) & 0.9888 & 0.04-300 & 0.21 \(\pm\) 0.010 & 0.20 \(\pm\) 0.010 & 0.18 \(\pm\) 0.010 & 0.30 \(\pm\) 0.02a & 0.26 \(\pm\) 0.02a & 0.20 \(\pm\) 0.010 & 0.29 \(\pm\) 0.01a \\
65 & 2-Normal & \(y=0.047\times 0.0008\) & 0.9985 & 0.1-100 & 0.07 \(\pm\) 0.06a & 0.84 \(\pm\) 0.05a & 0.84 \(\pm\) 0.05a & 0.86 \(\pm\) 0.01a & 0.87 \(\pm\) 0.02a & 0.85 \(\pm\) 0.02a & 0.86 \(\pm\) 0.02a \\
66 & 1-Quarlet & \(y=0.219\times 0.0008\) & 0.9980 & 0.3-200 & 0.63 \(\pm\) 0.005 & 0.75 \(\pm\) 0.02a & 0.64 \(\pm\) 0.002b & 0.84 \(\pm\) 0.12a & 0.70 \(\pm\) 0.04b & 0.62 \(\pm\) 0.02b & 0.74 \(\pm\) 0.00a \\
67 & 2-Quarlet-1d & \(y=0.131\times 0.0002\) & 0.9885 & 0.1-0 & 0.42 \(\pm\) 0.020 & 0.35 \(\pm\) 0.020 ad & 0.33 \(\pm\) 0.02 ad & 0.41 \(\pm\) 0.01b & 0.43 \(\pm\) 0.01b & 0.37 \(\pm\) 0.02k & 0.47 \(\pm\) 0.01a \\
68 & 1-Normal & \(y=0.0572\times 0.0002\) & 0.9857 & 0.1-20 & 0.85 \(\pm\) 0.03a & 0.84 \(\pm\) 0.02a & 0.85 \(\pm\) 0.04a & 0.85 \(\pm\) 0.02a & 0.83 \(\pm\) 0.05a & 0.84 \(\pm\) 0.05a \\
69 & 1-Decanol & \(y=0.2717\times 0.0045\) & 0.9950 & 0.1-20 & 0.98 \(\pm\) 0.05a & 1.00 \(\pm\) 0.14a & 1.12 \(\pm\) 0.11a & 0.95 \(\pm\) 0.06a & 1.05 \(\pm\) 0.06a & 1.08 \(\pm\) 0.04a & 0.97 \(\pm\) 0.00a \\
70 & 1-Decanol & \(y=0.4996\times 0.0018\) & 0.9987 & 0.1-100 & 1.99 \(\pm\) 0.10a & 2.06 \(\pm\) 0.03a & 2.00 \(\pm\) 0.04a & 2.13 \(\pm\) 0.25a & 1.96 \(\pm\) 0.04a & 2.28 \(\pm\) 0.22a & 1.97 \(\pm\) 0.05a \\ \hline \multicolumn{6}{l}{Synlight-chain aldehydes} \\ \hline
71 & Internal & \(y=5.967\times 0.043\) & 0.9983 & 1-200 & 613.8 \(\pm\) 2.51a & 61.51 \(\pm\) 2.13a & 59.35 \(\pm\) 3.95a & 60.36 \(\pm\) 2.32a & 60.50 \(\pm\) 2.00a & 56.57 \(\pm\) 4.03a & 53.15 \(\pm\) 2.25b \\
72 & Perusal & \(y=5.978\times 0.1384\) & 0.9668 & 10-500 & 561.4 \(\pm\) 2.26a & 56.73 \(\pm\) 1.56a & 56.39 \(\pm\) 2.13a & 56.33 \(\pm\) 2.22a & 56.02 \(\pm\) 2.55a & 53.06 \(\pm\) 2.13b & 50.55 \(\pm\) 1.87b \\
73 & Heanl & \(y=5.7615\times 0.1338\) & 0.9999 & 100-5000 & 4652.2 \(\pm\) 9.20a & 4218.77 \(\pm\) 78.30b & 419.11 \(\pm\) 85.36b & 4578.71 \(\pm\) 64.04a & 4727.43 \(\pm\) 155.20a & 4500.00 \(\pm\) 3.20a & 4600.00 \(\pm\) 73.20a \\
74 & (2-
\begin{table}
\begin{tabular}{l l l l l l l l l l l l} \hline \hline \multicolumn{1}{c}{**No. **} & \multicolumn{1}{c}{**Class**} & \multicolumn{1}{c}{**Calibration Curve**} & \multicolumn{1}{c}{**R\({}^{\rm i}\)**} & \multicolumn{1}{c}{**Linear Range**} & \multicolumn{1}{c}{**Concentration (ugL. FW)**} & \multicolumn{1}{c}{**Constration (ugL. FW)**} & \multicolumn{1}{c}{**UV-B**} & \multicolumn{1}{c}{**UV-A**} & \multicolumn{1}{c}{**UV-B**} & \multicolumn{1}{c}{**UV-A**} & \multicolumn{1}{c}{**UV-B**} \\ \hline
83 & Decanal & y=3.5466\(\sim\) 0.0206 & 0.9967 & 0.1