biomass_nfi             Calculate Tree Biomass for National Forest
                        Inventory Data
cwd_biomass_nfi         Calculate biomass of Coarse Woody Debris
diversity_nfi           Calculate species diversity indices for
                        National Forest Inventory Data
filter_nfi              Filter National Forest Inventory Data
iv_nfi                  Calculates the importance values for National
                        Forest Inventory Data
nfi_col                 The Korean and English names of the column
                        names
nfi_donghae             National Forest Inventory data for Donghae-si,
                        Gangwon-do, Republic of Korea for testing the
                        function
read_nfi                Read Korean National Forest Inventory
summary_nfi             Calculate descriptive statistics for National
                        Forest Inventory Data
switchcol_nfi           Switch column names
tsvis_nfi               Visualize time series data for National Forest
                        Inventory Data
