Table 1 Comparison between two distributions.

From: An anisotropic pore-network model to estimate the shale gas permeability

Target distribution

Average coordination number

Standard deviation

Target

Actual

Error (%)

Target

Actual

Error (%)

Normal distribution(μ = 10, σ = 3)

9.99

9.97

− 0.14

3.01

3.74

+ 24.23

γ distribution(α = 3, β = 2)

5.96

5.92

− 0.82

3.43

3.74

+ 8.91