Body Fat Percentage Prediction Using Intelligent Hybrid Approaches

Table 5

Basis functions and important explanatory variables for the MARS model.

Function	Std. dev.	Cost of omission	Number of BF	Variable	Relative importance (%)
1	8.870	33.093	2	𝑋6	100.000
2	2.000	19.513	1	𝑋8	38.199
3	2.021	18.448	1	𝑋13	28.095
4	2.865	17.664	1	𝑋3	17.210
5	1.132	17.652	1	𝑋1	16.981
6	1.230	17.627	1	𝑋12	16.511
7	1.099	17.506	1	𝑋4	14.027