Figure 5From: Accurate intercensal estimates of energy access to track Sustainable Development Goal 7Feature relevance obtained using Automatic Relevance Determination (ARD) kernel, which is often used for this task in GPs, where the inverse length scale parameter of each input variable is used as a proxy for feature relevance [40]. nl refers to nighttime lights, aod refers to aerosol optical depth and ls refers to landsat featuresBack to article page