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Table 11 Coded experimental design results, T. peruviana biodiesel yield, predicted values by MRS and ANN and the residual values for the transesterification process

From: Brette Pearl Spar Mable (BPSM): a potential recoverable catalyst as a renewable source of biodiesel from Thevetia peruviana seed oil for the benefit of sustainable development in West Africa

Run X1 X2 X3 Biodiesel yield %(v/v) Predicted Residual
MRS ANN MRS ANN
1 1 0 1 56.00 56.25 55.93 -0.25 0.07
2 1 -1 0 60.00 59.88 60.63 0.13 0.63
3 0 1 -1 86.00 86.13 86.19 -0.12 0.19
4 -1 1 0 78.00 78.13 78.02 -0.12 0.02
5 0 0 0 58.00 58.00 58.02 0.00 0.02
6 0 1 1 76.00 75.88 75.98 0.13 0.02
7 -1 -1 0 77.00 77.13 76.99 -0.12 0.02
8 0 0 0 58.00 58.00 58.02 0.00 0.02
9 1 0 -1 66.00 66.00 66.08 0.00 0.08
10 0 0 0 58.00 58.00 58.02 0.00 0.02
11 -1 0 -1 83.00 82.75 82.99 0.25 0.01
12 0 -1 1 75.00 74.88 75.02 0.13 0.02
13 1 1 0 62.00 61.88 61.34 0.13 0.66
14 -1 0 1 73.00 73.00 73.00 0.00 0.00
15 0 -1 -1 84.00 84.13 83.81 -0.12 0.19