Research Article
Hybrid Artificial Neural Networks Modeling for Faults Identification of a Stochastic Multivariate Process
Table 5
Basis functions and important explanatory variables for the MARS model with
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| Function | Std. dev. | Cost of omission | Number of BF | Variable | Relative importance (%) |
| 1 | 0.596 | 0.871 | 2 | | 100.000 | 2 | 0.582 | 0.864 | 2 | | 98.281 | 3 | 0.380 | 0.764 | 2 | | 68.774 | 4 | 0.369 | 0.763 | 1 | | 68.220 | 5 | 0.245 | 0.702 | 1 | | 40.739 | 6 | 0.234 | 0.700 | 1 | | 39.271 | 7 | 0.203 | 0.692 | 2 | | 33.836 | 8 | 0.195 | 0.691 | 1 | | 32.728 | 9 | 0.188 | 0.688 | 1 | | 30.632 | 10 | 0.186 | 0.688 | 1 | | 30.530 |
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