Fig. 7
From: Construction of gas content model based on KPCA-SVR for Southern Sichuan shale gas

Plots of linear characteristics for determining ρ vs. other parameters. (a) ρ vs. POR, (b) ρ vs. DEN, (c) ρ vs. U, (d) ρ vs. TOC, (e) ρ vs. PERM. (f) Error analysis plots for linear and nonlinear models.