菌根共生网络嵌套性判定的零模型选择
林力涛,马克明(
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Selection of null models in nestedness pattern detection of highly asymmetric mycorrhizal networks
LIN Li-Tao,MA Ke-Ming()
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图6. 非对称性变化对矩阵配对重叠度标准化指数的影响。Backtrack, 行列限定; c0, 列限定; r0, 行限定; r00, 完全随机。IM, 初始矩阵; 5 times, 5倍列合并网络; 10 times, 10倍列合并网络。
Fig. 6. Effects of matrix asymmetric variations o z-scores of on the standardized effect size (z-score) of nestedness metric based on overlap and decreasing fill (NODF). Backtrack, fixed row-fixed column; c0, equiprobable row-fixed column; r0, fixed row-equiprobable column; r00, equiprobable row- equiprobable column. IM, Initial matrix; 5 times, 5 times column merge network; 10 times, 10 times column merge network.
