|  | Factor | TPC | TFC | ABTS | OH | DPPH | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Run | X1 | X2 | X3 | X4 | Forecast values | Experimental values | Forecast values | Experimental values | Forecast values | Experimental values | Forecast values | Experimental values | Forecast values | Experimental values | |
 | 1 | 0 | − 1 | − 1 | 0 | 24.4 | 24.9 ± 0.4 | 14.7 | 14.6 ± 0.4 | 0.87 | 0.83 ± 0.10 | 7.4 | 7.2 ± 0.4 | 161 | 164 ± 7 | |
 | 2 | 0 | 0 | − 1 | 1 | 32.5 | 32.7 ± 1.0 | 14.3 | 16.0 ± 1.0 | 1.02 | 1.00 ± 0.10 | 9.8 | 10.1 ± 0.2 | 175 | 176 ± 13 | |
 | 3 | 0 | 1 | − 1 | 0 | 29.9 | 30.7 ± 1.5 | 17.2 | 16.9 ± 1.5 | 1.03 | 0.99 ± 0.09 | 8.3 | 8.6 ± 1.2 | 171 | 161 ± 9 | |
 | 4 | 0 | 0 | − 1 | − 1 | 24.2 | 25.8 ± 2.0 | 13.4 | 13.7 ± 2.0 | 0.76 | 0.97 ± 0.10 | 5.5 | 5.8 ± 0.7 | 165 | 167 ± 18 | |
 | 5 | − 1 | 0 | − 1 | 0 | 31.8 | 29.6 ± 1.1 | 15.2 | 15.3 ± 1.1 | 0.80 | 0.81 ± 0.08 | 7.8 | 7.6 ± 0.2 | 140 | 149 ± 8 | |
 | 6 | 1 | 0 | − 1 | 0 | 31.4 | 30.7 ± 2.3 | 16.6 | 15.1 ± 2.3 | 1.07 | 0.99 ± 0.11 | 7.2 | 6.8 ± 2.3 | 194 | 189 ± 4 | |
 | 7 | 0 | 1 | 0 | 1 | 24.7 | 24.1 ± 0.9 | 13.4 | 12.2 ± 1.2 | 1.99 | 1.97 ± 0.05 | 10.1 | 9.9 ± 0.2 | 180 | 183 ± 11 | |
 | 8 | 1 | 0 | 0 | − 1 | 23.3 | 23.2 ± 3.1 | 14.4 | 13.9 ± 0.4 | 1.50 | 1.64 ± 0.18 | 7.1 | 7.7 ± 0.2 | 194 | 195 ± 8 | |
 | 9 | 0 | − 1 | 0 | − 1 | 13.7 | 12.3 ± 0.1 | 10.8 | 11.6 ± 2.4 | 1.49 | 1.48 ± 0.25 | 7.0 | 7.0 ± 0.4 | 163 | 167 ± 6 | |
 | 10 | 1 | 1 | 0 | 0 | 29.5 | 28.9 ± 0.4 | 16.4 | 17.9 ± 1.4 | 1.78 | 1.75 ± 0.17 | 8.9 | 8.4 ± 0.2 | 186 | 198 ± 13 | |
 | 11 | 0 | 0 | 0 | 0 | 37.8 | 37.8 ± 0.7 | 25.5 | 25.5 ± 1.3 | 2.28 | 2.28 ± 0.05 | 4.9 | 4.9 ± 0.3 | 99 | 99 ± 6 | |
 | 12 | − 1 | 0 | 0 | − 1 | 24.2 | 24.6 ± 1.0 | 7.6 | 6.8 ± 0.6 | 1.74 | 1.53 ± 0.02 | 6.9 | 6.8 ± 0.2 | 145 | 145 ± 4 | |
 | 13 | 1 | − 1 | 0 | 0 | 26.2 | 26.4 ± 0.6 | 13.8 | 14.8 ± 1.6 | 2.00 | 1.80 ± 0.16 | 8.8 | 8.6 ± 0.3 | 207 | 202 ± 18 | |
 | 14 | 0 | 0 | 0 | 0 | 37.8 | 37.8 ± 0.7 | 25.5 | 25.5 ± 1.3 | 2.28 | 2.28 ± 0.05 | 4.9 | 4.9 ± 0.3 | 99 | 99 ± 6 | |
 | 15 | 0 | − 1 | 0 | 1 | 31.3 | 30.3 ± 4.0 | 11.0 | 10.2 ± 0.6 | 1.82 | 1.97 ± 0.08 | 10.0 | 10.0 ± 0.2 | 174 | 181 ± 16 | |
 | 16 | 0 | 0 | 0 | 0 | 37.8 | 37.8 ± 0.7 | 25.5 | 25.5 ± 1.3 | 2.28 | 2.28 ± 0.05 | 4.9 | 4.9 ± 0.3 | 99 | 99 ± 6 | |
 | 17 | 1 | 0 | 0 | 1 | 34.8 | 35.7 ± 1.1 | 11.7 | 11.5 ± 0.9 | 2.15 | 2.36 ± 0.44 | 10.3 | 10.8 ± 0.6 | 208 | 207 ± 9 | |
 | 18 | − 1 | 1 | 0 | 0 | 26.7 | 27.1 ± 3.8 | 12.4 | 12.8 ± 0.6 | 2.09 | 2.31 ± 0.12 | 8.6 | 8.6 ± 0.1 | 161 | 160 ± 17 | |
 | 19 | 0 | 0 | 0 | 0 | 37.8 | 37.8 ± 0.7 | 25.5 | 25.5 ± 1.3 | 2.28 | 2.28 ± 0.05 | 4.9 | 4.9 ± 0.3 | 99 | 99 ± 6 | |
 | 20 | 0 | 0 | 0 | 0 | 37.8 | 37.8 ± 0.7 | 25.5 | 25.5 ± 1.3 | 2.28 | 2.28 ± 0.05 | 4.9 | 4.9 ± 0.3 | 99 | 99 ± 6 | |
 | 21 | − 1 | − 1 | 0 | 0 | 25.2 | 26.6 ± 2.9 | 12.1 | 12.0 ± 1.3 | 1.41 | 1.47 ± 0.04 | 7.8 | 8.1 ± 1.0 | 123 | 104 ± 13 | |
 | 22 | − 1 | 0 | 0 | 1 | 30.0 | 31.3 ± 2.7 | 12.7 | 12.1 ± 0.5 | 1.64 | 1.51 ± 0.24 | 9.1 | 8.8 ± 0.1 | 149 | 148 ± 6 | |
 | 23 | 0 | 1 | 0 | − 1 | 24.9 | 24.0 ± 1.4 | 11.3 | 11.7 ± 3.2 | 1.79 | 1.61 ± 0.11 | 7.8 | 7.5 ± 0.1 | 174 | 174 ± 12 | |
 | 24 | − 1 | 0 | 1 | 0 | 24.7 | 23.5 ± 0.6 | 10.4 | 11.6 ± 0.1 | 1.03 | 1.09 ± 0.03 | 1.8 | 2.0 ± 0.6 | 100 | 111 ± 8 | |
 | 25 | 0 | 0 | 1 | 1 | 28.1 | 27.2 ± 0.6 | 11.2 | 12.2 ± 0.7 | 1.12 | 0.93 ± 0.02 | 3.5 | 3.1 ± 0.4 | 135 | 126 ± 4 | |
 | 26 | 0 | 1 | 1 | 0 | 22.0 | 22.8 ± 0.4 | 12.8 | 11.9 ± 0.3 | 1.19 | 1.26 ± 0.15 | 3.2 | 3.8 ± 0.3 | 130 | 126 ± 6 | |
 | 27 | 1 | 0 | 1 | 0 | 28.9 | 29.2 ± 0.6 | 14.8 | 14.5 ± 0.2 | 1.03 | 1.00 ± 0.02 | 3.8 | 3.8 ± 0.4 | 154 | 151 ± 20 | |
 | 28 | 0 | 0 | 1 | − 1 | 19.0 | 19.5 ± 0.6 | 9.8 | 9.5 ± 0.3 | 0.84 | 0.88 ± 0.02 | 2.5 | 2.1 ± 0.5 | 127 | 120 ± 4 | |
 | 29 | 0 | − 1 | 1 | 0 | 22.7 | 23.1 ± 1.2 | 12.4 | 11.6 ± 0.3 | 0.90 | 0.97 ± 0.11 | 3.2 | 3.3 ± 0.7 | 123 | 134 ± 22 |