1. knfi::nfi_col
    The Korean and English names of the column names
    csv| xlsx| json| ndjson| rda| rds
    data.frame|174 x 3
  2. knfi::nfi_donghae
    National Forest Inventory data for Donghae-si, Gangwon-do, Republic of Korea for testing the function
    json| rda| rds
    list