occurrence | R Documentation |

Co-Occurrence

occurrence(object, ...) ## S4 method for signature 'matrix' occurrence(object) ## S4 method for signature 'data.frame' occurrence(object)

`object` |
A |

`...` |
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.

N. Frerebeau

Other diversity measures:
`heterogeneity()`

,
`plot_diversity`

,
`rarefaction()`

,
`richness()`

,
`similarity()`

,
`simulate()`

,
`turnover()`

## Plot spot diagram of a co-occurrence matrix data("mississippi", package = "folio") occ <- occurrence(mississippi) plot_spot(occ)

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