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

Table 6

The values of PI2 on training functions for SPI forecast with hANN.

	Calibration period			Validation period
	MSE	tPI	PID	MSE	tPI	PID
Leaf River
MSE
tPI
PID
Santa Ysabel
MSE
tPI
PID