A Review of Soft Techniques for Electromagnetic Assessment of Concrete Condition

Table 4

Results of the Relative Error considering the depth prediction given 286 dimensions, varying the number of neurons.

Neurons	Mean(𝐿)	Max(𝐿)
6	0.009%	0.27%
7	0.008%	0.16%
8	0.003%	0.05%
9	0.001%	0.04%
10	0.004%	0.09%
11	0.004%	0.09%
12	0.005%	0.10%
13	0.006%	0.15%
14	0.005%	0.16%
15	0.008%	0.10%