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topo.colors, main = "sigma = 0.2") plot(density(PointPatterns$Astrocytes$M05, sigma = 2), col = topo.colors, main = "sigma = 2") Figure 5: Density kernels with different sigma. Figure 5 shows that, in the first case, we see that a very low sigma maps single points. For sigma = 0.2, we see a mapping