Table 1.

Default parameter values of PPSampler2.

Parameter	notation & value
Temperature	T = 10−9
number of iterations	L = 2 × 106
maximum cluster size	N = 100
probability of making a new single cluster	β = 0.01
parameters of g2	γ = 2
	${\sigma }_{\text{2},i}^2=\text{1}000\times \text{1}.{\text{1}}^{-i}$
parameters of g3	λ = 2000
	${\sigma }_3^{\text{2}}=10^6$