Energy Loss Calculation of Low Voltage Distribution Area Based on Variational Mode Decomposition and Least Squares Support Vector Machine

Table 4

The results of the T-double-tail test of three different prediction models.

Compared models	T-double-tail test
	value	compared with  = 0.05	compared with  = 0.01
VMD-PSO-LSSVM and PSO-LSSVM		<	<
VMD-PSO-LSSVM and LSSVM		<	<
PSO-LSSVM and LSSVM		<	<

denotes significance level. There is a significant difference between the two samples if the value is lower than .