AVLTree:mean Density (a.u.) Relative change (%) 5000 1e4 15000 2e4 25000 3e4 35000 -0.99616 -0.996155 -0.99615 -0.996145 -0.99614 -0.996135 -0.99613 -0.996125 -0.99612 Bootstrap distribution Confidence interval Point estimate Noise threshold