Assessing Rainfall Erosivity with Artificial Neural Networks for the Ribeira Valley, Brazil

Table 2

Summary of the descriptive statistical analysis of erosivity values estimated by Silva et al. [8] and with the use of ANN in the Ribeira Valley and Coastal region of the State of São Paulo.

Indexes	Result
Correlation coefficient (r)	0.97
Agreement index (d)	0.99
Confidence interval (c)	0.96
Efficiency coefficient (E)	0.95
Mean absolute error (MAE)	294.91
Mean square error (MSE)	168711.78
Root mean squared error (RMSE)	410.75
Mean percent error (MPE) (%)	2.95