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Count Number of Sites Occupied by Species

Source: R/fb_count_sites_by_species.R
fb_count_sites_by_species.Rd

For each species computes the percentage of sites where the species is present (distribution value higher than 0 and non-NA).

Usage

fb_count_sites_by_species(site_species)

Arguments

site_species

a data.frame with sites in rows and species in columns. NOTE: the first column should be named "site" and indicate site names. The other columns should be named according to species names.

Value

A three-column data.frame with:

  • species: the name of the species;

  • n_sites: the number of sites where the species is present;

  • coverage: the percentage of sites where the species is present.

Examples

site_coverage_by_species <- fb_count_sites_by_species(woodiv_site_species)
head(site_coverage_by_species)
#>   species n_sites  coverage
#> 1    PPIR    2264 0.4219158
#> 2    PHAL    2203 0.4105479
#> 3    JPHO    1781 0.3319046
#> 4    JOXY    1576 0.2937011
#> 5    PPIA    1481 0.2759970
#> 6    PSYL    1297 0.2417070