Finch occurrence data from (Sanderson 2000).
Occurrence data for 13 species from 17 sites. Columns are sites, rows are species. 1's are presences and 0's are absences.
A data frame with 13 observations on the following 17 variables.
Sanderson JG (2000). Testing Ecological Patterns: A Well-known Algorithm from Computer Science Aids the Evaulation of Species Distributions. American Scientist, 88, pp. 332-339.
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