ft_apply                Apply a Function to Factor Levels
ft_char_freq            Reorder Factor Levels Based on Character
                        Frequency at Positions
ft_collapse_lev         Collapse Factor Levels Based on Grouping
ft_combine              Combine Two Vectors of Unequal Lengths and Sort
                        Based on Specified Levels
ft_concat               Concatenate Multiple Factor Vectors
ft_count                Reorder Factor Levels by Level Count
ft_decode               Decode Numeric Codes into Factor Levels
ft_dummy                Create Dummy Variables from Factor Levels
ft_duplicates           Flag Duplicate Factor Levels
ft_encode               Encode Factor Levels into Numeric Codes
ft_extract              Extract Substrings from Factor Levels
ft_factorize            Factorize Character Vectors with Consistent
                        Levels
ft_filter_freq          Filter Factor Levels by Frequency and
                        Recalculate Character Frequencies
ft_filter_func          Filter Factor Levels Using a Function
ft_filter_pos           Remove Factor Levels with Specific Characters
                        at Specified Positions
ft_freq                 Reorder Factor Levels Based on Character
                        Frequency
ft_group_by_prefix      Group Factor Levels by Common Prefix
ft_impute               Impute Missing Values in Factor Vector
ft_insert               Insert New Levels into a Factor Vector After
                        Specified Targets
ft_intersect            Get Intersection of Factor Levels from Multiple
                        Vectors
ft_len                  Sort Factor Levels Based on Their Length
ft_level_lengths        Get Character Lengths of Factor Levels
ft_level_order          Get Order of Factor Levels in Data
ft_level_stats          Calculate Statistics for Each Factor Level
ft_map_func             Map Factor Levels Using a Function
ft_mapping              Create a Mapping Table of Original and Modified
                        Factor Levels
ft_merge                Merge Two Factors and Retain Unique Levels
ft_merge_similar        Merge Similar Factor Levels
ft_na                   Handle NA Values in Factor Vectors
ft_pad_levels           Pad Factor Levels with Leading Characters
ft_pairs                Generate Pairwise Comparisons Between Elements
                        in factor
ft_pos                  Reorder Factor Levels Based on Characters at
                        Specified Positions
ft_regex_freq           Reorder Factor Levels Based on Regex Pattern
                        Frequency
ft_remove_levels        Remove Specified Levels from a Factor
ft_rename_levels        Rename Factor Levels Using Data Frame Mapping
ft_reorder_within       Reorder Factor Levels Within Groups
ft_replace              Replace a Factor Level and Optionally Insert at
                        Specified Position
ft_replace_na           Replace NA Values in Factor Vector
ft_replace_pattern      Replace Parts of Factor Levels Based on a
                        Pattern
ft_reverse              Reverse Factor Levels
ft_rollup               Aggregate Factor Levels Based on Grouping
ft_sample_levels        Sample Levels from a Factor Vector
ft_sort                 Sort Factor Levels Based on Another Vector or
                        Column
ft_sort_custom          Sort Factor Levels Using a Custom Function
ft_split                Split Factor Levels and Reorder Based on
                        Specified Criteria
ft_split_levels         Split Factor Levels into Multiple Factors
ft_sub                  Reorder Factor Levels Based on Substrings
ft_substr_freq          Reorder Factor Levels Based on Substring
                        Frequency
ft_table                Count Character Frequencies in Factor Levels
                        (Including NA Handling)
ft_union                Get Union of Factor Levels from Multiple
                        Vectors
ft_unique_comb          Create Factor of Unique Combinations from
                        Multiple Factors
