3) and high temperature and the effective number associated to the PSD "pore_dist_neff" (at around 2.3). These domains separate structures that are selective at low pressure, which is key to telling apart the structures with a selectivity drop at ambient pressure from the ones without. and. These SHAP plots show the contribution of the features to the prediction given by the ML model. Each Shapley value depends not only on the value of the feature itself but also on the other features, for this reason, the plots are labeled by a relevant second feature.