finches: Darwin’s finches presence–absence data

In kpmainali/CooccurrenceAffinity: Affinity in Co-Occurrence Data

Darwin’s finches presence–absence data

Description

A presence (1)/absence (0) matrix of seven Darwin’s finch species across 13 Galápagos Islands.

Usage

finches

Format

A data frame with 7 rows (Darwin’s finch species, in the row names) and 17 columns (Galápagos Islands):

Baltra

presence (1) or absence (0)

Darwin

presence (1) or absence (0)

Espanola

presence (1) or absence (0)

Fernandina

presence (1) or absence (0)

Floreana

presence (1) or absence (0)

Genovesa

presence (1) or absence (0)

Isabella

presence (1) or absence (0)

Marchena

presence (1) or absence (0)

Pinta

presence (1) or absence (0)

Pinzon

presence (1) or absence (0)

Rabida

presence (1) or absence (0)

San.Cristobal

presence (1) or absence (0)

Santa.Cruz

presence (1) or absence (0)

Santa.Fe

presence (1) or absence (0)

Santiago

presence (1) or absence (0)

Seymour

presence (1) or absence (0)

Wolf

presence (1) or absence (0)

Details

Row names are the seven species: Geospiza magnirostris, G. fortis, G. fuliginosa, G. difficilis, G. scandens, G. conirostris, and G. fuliginosa.

Source

Sanderson J.G. (2000) Testing ecological patterns: a well‐known algorithm from computer science aids the evaluation of species distributions. American Scientist 88, 332–339.

Griffith D.M., Veech J.A., Marsh C.J. (2016) cooccur: probabilistic species co‐occurrence analysis in R. Methods in Ecology and Evolution 7, 539–543.

kpmainali/CooccurrenceAffinity documentation built on July 3, 2025, 8:42 p.m.