使用期限*
许可形式单机版
原产地美国
介质下载
适用平台Windows
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特征空间中的物种距离
物种可以通过计算物种间的距离矩阵来比较它们的性状，从物种x性状矩阵开始。在数学方面，这与计算物种空间中的样本单元之间的距离矩阵相同，除了在这种情况下，对象是物种，它们的属性是性状，而不是作为样本单元和属性物种的对象。从特征菜单提供相同的距离度量，如物种空间中的样本单元之间的距离。
* Flexible Menu-driven parameter setup options allowing appropriately tailored analyses
Because the hilltops are based on a contoured response surface, you can better understand the basis for hilltop plots by reading about contour overlays. The chief difference in use between the hilltops and the contour plots is that contour plots can be shown for only one variable at a time, while one can graph many hilltops on the same ordination. This comes at a loss of information in that most of the contour plot is discarded when converting to a hilltop, but has the advantage of representing multiple nonlinear relationships at once..
PerMANOVA
PerMANOVA performs distance-based multivariate analysis of variance, also known as nonparametric MANOVA or npMANOVA. Hypothesis are evaluated with permutation tests, rather than by reference to an assumed distribution. Options include one-way, factorial, nested, and blocked designs.
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