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Table 6 Wilcoxon signed test statistics

From: Extreme learning with chemical reaction optimization for stock volatility prediction

Compared methods[p, h] - value
Volatility forecastingClosing price forecasting
ELCRO vs PSO-ELM(p = 6.9204e-3, h = 1)(p = 3.7542e-4, h = 1)
ELCRO vs GA-ELM(p = 5.3326e-5, h = 1)(p = 3.00475e-3, h = 1)
ELCRO vs GD-ELM(p = 2.4755e-4, h = 1)(p = 4.25384e-4, h = 1)