Description Usage Arguments Details Author(s) Examples
Generate a set of asymmetric temporal eigenfunctions
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x |
an R object. For |
... |
additional arguments passed to |
N |
numeric; the number of eigenvectors to return. If not
supplied, N is taken from the appropriate dimension of |
weight |
logical; should a weighting matrix be generated and applied to the link matrix? |
FUN |
a function to be applied to the weighting matrix.
Ignored if |
link0 |
logical; should the link from t[0] be included? |
digits |
numeric; number of digits to display in output. |
choices |
numeric; vector indicating which eigenfunctions to return. |
The asymmetric eigenvector map (AEM) is a recently proposed method for describing orthongonal spatial functions for use in multivariate ordination. AEMs are asymmetric because they apply a directionality to the spatial dependencies modelled by the eigenfunctions. Asymmetric temporal eigenfunctions (ATEs) implement the AEM idea to model patterns of temporal dependence; i.e. a single spatial dimension.
Gavin L. Simpson
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