Research Article

Forecasting SPEI and SPI Drought Indices Using the Integrated Artificial Neural Networks

Table 5

The values of PI2 on architectures 9--1 for SPI forecast with hANN.

Calibration periodValidation period
9-4-1 9-6-1 9-8-1 9-4-1 9-6-1 9-8-1

Leaf River
9-4-1
9-6-1
9-8-1
Santa Ysabel
9-4-1
9-6-1
9-8-1