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. 2006 Aug 3;5:32. doi: 10.1186/1476-072X-5-32

Figure 2.

Figure 2

Sensitivity 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.