Calculate neighbor cardinalities

Identify the cardinality of a neighbor object. Utilizes spdep::card() for objects with class nb, otherwise returns lengths(nb).

Usage

st_cardinalties(nb)

Arguments

nb

A neighbor list object as created by st_neighbors().

Value

an integer vector with the same length as nb.

See also

Other other: st_nb_lag(), st_nb_lag_cumul()

Examples

nb <- st_contiguity(sf::st_geometry(guerry))
st_cardinalties(nb)
#>  [1] 4 6 6 4 3 7 3 3 5 5 7 3 3 6 5 5 6 6 7 3 6 7 2 5 6 6 2 6 6 6 4 4 6 6 5 6 5 4
#> [39] 6 7 5 4 7 6 6 5 8 4 6 6 5 4 5 4 2 6 3 6 6 2 6 3 3 2 4 2 4 5 7 6 2 3 8 6 5 5
#> [77] 5 6 3 6 4 6 6 6 5