data(filters)
str(filters$hosp$addr_state)
# chr [1:55] "AK" "AL" "AR" "AZ" "CA" "CO" "CT" "DC" "DE" ...
str(filters$hosp$addr_city)
# chr [1:2832] "ABBEVILLE" "ABERDEEN" "ABILENE" "ABINGDON" ...
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