Figure 4From: Exploratory spatial data analysis for the identification of risk factors to birth defectsGetis's G* statistics a) Hotspots detected by Getis's G* statistics at 6.84 km (Grouped distribution), b) Z scale test of Gi* (at 6.84 km), c) Hotspots detected by Getis's G* statistics at 22.8 km (Grouped distribution), d) Z scale test of Gi* (at 22.8 km)Back to article page