# Study of the Targeted Regulation of Rice Drying Characteristics and Quality
## 3 Results and Discussion  
### Evaluation of Regression Model and Analysis of Variance  
A quadratic multinomial regression model was established between drying temperature, humidity, slow Su ratio, initial water content, net drying time, burst waist increase rate, McLeaned rice rate, fatty acid value, resistant starch concentration, germination rate, protein change amount, and fat change amount. The regression equations obtained after eliminating insignificant factors are shown in Table 4.  
\begin{table}
\begin{tabular}{c c c c c c c c c c c c c} \hline \hline
**Runs** & **T (°C)** & **RH (\%)** & **MC (\%)** & **V (m \begin{table}
\begin{tabular}{c c c c c c c c c} \hline \hline
**Factor F-Score** & **Dtn** & **ACP** & **HRY** & **FAV** & **RSC** & **PG** & **PCV** & **FCV** \\ \hline A-T & 131.11 & 31.87 & 6.98 & 22.94 & 31.05 & 0.1502 & 4.10 & 13.25 \\ \hline B-RH & 113.66 & 3.83 & 113.75 & 28.13 & 31.80 & 24.53 & 15.10 & 62.43 \\ \hline C-MC & 154.66 & 8.08 & 25.35 & 6.09 & 0.8578 & 92.37 & 67.16 & 14.06 \\ \hline D-V & 39.28 & 77.60 & 3.30 & 46.05 & 59.99 & 31.43 & 80.40 & 7.43 \\ \hline E-TR & 83.81 & 13.38 & 24.45 & 115.15 & 17.60 & 65.02 & 5.89 & 4.11 \\ \hline \hline \end{tabular}
\end{table} 
Table 6: F value of each factor on each response index. \begin{table}
\begin{tabular}{c c c c c c c} \hline \hline
**Indicators** & **Source of Variation** & **Sum of Squares** & **Degree of Freedom** & **Mean Square** & **F Value** & **\(p\) Value** & \\ \hline \multirow{4}{*}{Dtn} & Model & 87,902.35 & 20 & 4395.12 & 180.68 & \textless{}0.0001 & Significant \\ \cline{2-6}  & Residual error & 924.36 & 38 & 24.33 & & & \\ \cline{2-6}  & Loss of approximation term & 596.02 & 22 & 27.09 & 1.32 & 0.2877 & Not significant \\ \cline{2-6}  & Error & 328.34 & 16 & 20.52 & & & \\ \hline \multirow{4}{*}{ACP} & Model & 23.68 & 20 & 1.18 & 49.64 & \textless{}0.0001 & Significant \\ \cline{2-6}  & Residual error & 0.9065 & 38 & 0.0239 & & & \\ \cline{2-6}  & Loss of approximation term & 0.6593 & 22 & 0.03 & 1.94 & 0.089 & Not significant \\ \cline{2-6}  & Error & 0.2472 & 16 & 0.0154 & & & \\ \hline \multirow{4}{*}{HRY} & Model & 20.6 & 20 & 1.03 & 16.67 & \textless{}0.0001 & Significant \\ \cline{2-6}  & Residual error & 2.35 & 38 & 0.0618 & & & \\ \cline{2-6}  & Loss of approximation term & 1.38 & 22 & 0.0626 & 1.03 & 0.483 & Not significant \\ \cline{2-6}  & Error & 0.9706 & 16 & 0.0607 & & & \\ \hline \multirow{4}{*}{FAV} & Model & 192.41 & 20 & 9.62 & 15.51 & \textless{}0.0001 & Significant \\ \cline{2-6}  & Residual error & 23.57 & 38 & 0.6201 & & & \\ \cline{2-6}  & Loss of approximation term & 14.04 & 22 & 0.638 & 1.07 & 0.4518 & Not significant \\ \cline{2-6}  & Error & 9.53 & 16 & 0.5956 & & & \\ \hline \multirow{4}{*}{RSC} & Model & 24,650.42 & 20 & 1232.52 & 18.77 & \textless{}0.0001 & Significant \\ \cline{2-6}  & Residual error & 2495.09 & 38 & 65.66 & & & \\ \cline{2-6}  & Loss of approximation term & 1083.19 & 22 & 49.24 & 0.558 & 0.8987 & Not significant \\ \cline{2-6}  & Error & 1411.9 & 16 & 88.24 & & & \\ \hline \multirow{4}{*}{PG} & Model & 130.86 & 20 & 6.54 & 34.8 & \textless{}0.0001 & Significant \\ \cline{2-6}  & Residual error & 7.14 & 38 & 0.188 & & & \\ \cline{2-6}  & Loss of approximation term & 3.66 & 22 & 0.1663 & 0.7637 & 0.7259 & Not significant \\ \cline{2-6}  & Error & 3.49 & 16 & 0.2178 & & & \\ \hline \multirow{4}{*}{PCV} & Model & 0.7995 & 15 & 0.0533 & 23.23 & \textless{}0.0001 & Significant \\ \cline{2-6}  & Residual error & 0.0987 & 43 & 0.0023 & & & \\ \cline{2-6}  & Loss of approximation term & 0.0710 & 27 & 0.0026 & 1.52 & 0.1917 & Not significant \\ \cline{2-6}  & Error & 0.0277 & 16 & 0.0017 & & & \\ \hline \multirow{4}{*}{FCV} & Model & 3.12 & 17 & 0.1834 & 23.80 & \textless{}0.0001 & Significant \\ \cline{2-6}  & Residual error & 0.3159 & 41 & 0.0077 & & & \\ \cline{2-6}  & Loss of approximation term & 0.0580 & 25 & 0.0023 & 0.1440 & 1.0000 & Not significant \\ \cline{2-6}  & Error & 0.2579 & 16 & 0.0161 & & & \\ \hline \hline \end{tabular}
\end{table}