which fips, state names, or state abbreviations are island areas — is.island • EJAM

which fips, state names, or state abbreviations are island areas

Usage

is.island(ST = NULL, statename = NULL, fips = NULL)

Arguments

ST: optional vector of 2 letter state abbreviations
statename: optional vector of statenames like "texas" or "Delaware"
fips: optional vector of FIPS codes (first 2 characters get used)

Value

logical vector of same length as the input

See also

latlon_is.islandareas()

Examples

  is.island(c("PR", "DE", "AS", NA))
  is.island(statename = c("Guam", "New York", "american samoa", NA))
  is.island(fips = c(21001, 60, "60", "600010000000"))
  tail(cbind(stateinfo2[ , c("statename", "is.island.areas")], is.island(stateinfo2$ST)),10)