ivi_index | R Documentation |
ivi : Importance Valor Index
ivi_index(df, sample_unit, taxon, basal_area)
df |
A data_frame, with the information for each tree in the census. |
sample_unit |
Name of the variable for the minimum unit sample. |
taxon |
Name of the variable (column) that contein species name. |
basal_area |
Name of the variable (column) that contein basal area. |
a tibble
require(diversity.tool) data("bci") bci |> ivi_index(sub_plot, species, area_basal)
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