Table 3.
Coefficients of determination (R2) for Q, COP, and SHR
| System I | System II | System III | System IV | System V | ||
|---|---|---|---|---|---|---|
| Fault-free (Eq. 2) | Q | 0.996 | 0.990 | 0.999 | 0.993 | 0.994 |
| COP | 0.997 | 0.995 | 0.999 | 0.998 | 0.998 | |
| SHR | 0.999 | 0.993 | 0.999 | 0.990 | 0.997 | |
|
UC Fault (Eq. 4) |
Q | 0.991 | 0.998 | 0.897 | 0.990 | 0.994 |
| COP | 0.988 | 0.995 | 0.998 | 0.987 | 0.993 | |
| SHR | 0.886 | 0.846 | 0.830 | 0.859 | 0.889 | |
| OC Fault (Eq. 4) | Q | 0.994 | 0.963 | - | 0.956 | 0.931 |
| COP | 0.909 | 0.949 | - | 0.962 | 0.901 | |
| SHR | 0.843 | 0.958 | - | 0.893 | 0.917 | |
| EA Fault (Eq. 4) | Q | 0.930 | 0.904 | 0.987 | 0.963 | - |
| COP | 0.918 | 0.872 | 0.983 | 0.923 | - | |
| SHR | 0.901 | 0.809 | 0.998 | 0.956 | - | |
| CA Fault (Eq. 4) | Q | 0.976 | 0.991 | 0.959 | 0.969 | 0.990 |
| COP | 0.983 | 0.996 | 0.975 | 0.992 | 0.999 | |
| SHR | 0.973 | 0.991 | 0.991 | 0.932 | 0.871 | |