ATCbyDrug               Fully Nested ATC2 <e2><86><92> ATC4
                        <e2><86><92> Drug (CMDECOD) Table by Treatment
                        (wide)
SOCbyPT                 SOC <e2><86><92> PT summary by treatment
                        (wide), with optional BY-grouping, SOC totals,
                        UNCODED positioning, BY-specific Big-N, and
                        optional Big-N printing
SOCbyPT_Grade           SOC <e2><86><92> PT summary by treatment with
                        Grade split (wide)
freq_by                 Frequency Table by Group (wide): n (%) with
                        flexible ordering and formats
freq_by_line            One-Line Frequency Summary by Treatment Group
generate_compare_report
                        Compare DEV vs VAL datasets (PROC
                        COMPARE-style) with robust file detection
get_column_info         Extract Column Metadata from a Data Frame
get_data                Load Data Files of Various Formats
mean_by                 Summary Table: Mean and Related Statistics by
                        Group
sas_round               SAS-Compatible Rounding
