True active variable	Method	$w_{1}$	$s_{1}$	$s_{3}$	$w_{1} w_{2}$	$s_{1} s_{2}$	$s_{1} s_{3}$	$w_{1} s_{1}$	$w_{2} s_{1}$
		4	−3	1	4	2	−1	2	3
$η = 1$	SSVS	0.004	0.005	0.002	0.005	0.007	0.005	0.004	0.007
$η = 1$	SSVS-SPD	0.003	0.005	0	0.003	0.004	0.003	0.008	0.019
$η = 10$	SSVS	0.002	0	0	0.032	0.005	0	0.014	0.005
$η = 10$	SSVS-SPD	0	0	0	0.017	0	0	0.009	0.010