occurrence(object, ...) ## S4 method for signature 'matrix' occurrence(object) ## S4 method for signature 'data.frame' occurrence(object)
A m x p matrix of count data.
Currently not used.
A co-occurrence matrix is a symmetric matrix with zeros on its main diagonal, which works out how many times each pairs of taxa/types occur together in at least one sample.
A stats::dist object.
Other diversity measures:
## Plot spot diagram of a co-occurrence matrix data("mississippi", package = "folio") occ <- occurrence(mississippi) plot_spot(occ)
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