Table 2.
Analysis of variance results of each factor on conversion factors
| Compound | Source | DF | Seq SS | Adj SS | Adj MS | F | p |
|---|---|---|---|---|---|---|---|
| NG-R1 | HPLC instruments | 2 | 1015.5 | 1015.5 | 507.7 | 4.14 | 0.195 |
| Analytical columns | 2 | 205.4 | 205.4 | 102.7 | 0.84 | 0.544 | |
| Concentrations of analytes | 2 | 319.7 | 319.7 | 159.9 | 1.3 | 0.434 | |
| Residual error | 2 | 245.2 | 245.2 | 122.6 | |||
| Total | 8 | 1785.9 | |||||
| G-Rg1 | HPLC instruments | 2 | 1168 | 1168 | 584.01 | 6.98 | 0.125 |
| Analytical columns | 2 | 210.1 | 210.1 | 105.07 | 1.25 | 0.443 | |
| Concentrations of analytes | 2 | 405.5 | 405.5 | 202.73 | 2.42 | 0.292 | |
| Residual error | 2 | 167.5 | 167.5 | 83.73 | |||
| Total | 8 | 1951.1 | |||||
| G-Re | HPLC instruments | 2 | 1421.41 | 1421.41 | 710.7 | 3.65 | 0.215 |
| Analytical columns | 2 | 60.55 | 60.55 | 30.28 | 0.16 | 0.865 | |
| Concentrations of analytes | 2 | 154.84 | 154.84 | 77.42 | 0.4 | 0.716 | |
| Residual error | 2 | 389.48 | 389.48 | 194.74 | |||
| Total | 8 | 2026.29 | |||||
| G-Rd | HPLC instruments | 2 | 633.87 | 633.867 | 316.933 | 2.52 | 0.284 |
| Analytical columns | 2 | 219.08 | 219.08 | 109.54 | 0.87 | 0.535 | |
| Concentrations of analytes | 2 | 1.87 | 1.869 | 0.934 | 0.01 | 0.993 | |
| Residual error | 2 | 251.86 | 251.863 | 125.932 | |||
| Total | 8 | 1106.68 |
Adj SS, Adjusted sum of squares; Adj MS, Adjusted mean squares; DF, Degrees of freedom; Seq SS, Sequential sum of squares.