finches {CooccurrenceAffinity} | R Documentation |
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.