Fig. 6From: Households with unimproved water sources in Ethiopia: spatial variation and point-of-use treatment based on 2016 Demographic and Health SurveyClustering trends of coverage rates before (a) and after spatial smoothing (b). Clustering of spatial outliers was eliminated in the spatially smoothed coverage. The red colors indicate clusters with the highest percentage of unimproved water while the blue colors show clusters with low unimproved water coverageBack to article page