Figure 2From: Case-control geographic clustering for residential histories accounting for risk factors and covariatesSensitivity to k, the number of nearest neighbors. Global (top graph) and focused (bottom graph) statistics before (diamonds) and after (squares) covariate adjustement. After covariate adjustment the p-value reaches a minimum at k = 7 for the global statistic and k = 8 for the focused statistic.Back to article page