assessment_cooccurrences_summary: Generate a summary of co-occurrences in various assessment...

In fqar: Floristic Quality Assessment Tools for R

Generate a summary of co-occurrences in various assessment inventories

Description

assessment_coccurrences_summary() accepts a list of species inventories downloaded from universalfqa.org and returns a summary of the co-occurrences of each target species. Repeated co-occurrences across multiple assessments are included in summary calculations, but self co-occurrences are not.

Usage

assessment_cooccurrences_summary(inventory_list)

Arguments

inventory_list

A list of site inventories having the format of assessment_list_inventory().

Value

A data frame with 16 columns:

• target_species (character)

• target_species_c (numeric)

• target_species_nativity (character)

• target_species_n (numeric)

• cospecies_n (numeric)

• cospecies_native_n (numeric)

• cospecies_mean_c (numeric)

• cospecies_native_mean_c (numeric)

• cospecies_std_dev_c (numeric)

• cospecies_native_std_dev_c (numeric)

• percent_native (numeric)

• percent_nonnative (numeric)

• percent_native_low_c (numeric)

• percent_native_med_c (numeric)

• percent_native_high_c (numeric)

• discrepancy_c (numeric)

Examples

# assessment_cooccurrences_summary is best used in combination with
# download_assessment_list() and assessment_list_inventory().


maine <- download_assessment_list(database = 56)
maine_invs <- assessment_list_inventory(maine)
maine_cooccurrences_summary <- assessment_cooccurrences_summary(maine_invs)

fqar documentation built on June 22, 2025, 1:06 a.m.