impute_df               Imputation
iz                      Calculate Laboratory Measurements from z/zlog
                        Values
lookup_limits           Lookup Limits in Reference Tables
reference_limits        Calculate Reference Limits
set_missing_limits      Set Missing Limits in Reference Tables
z                       Calculate z/zlog Values
z_df                    Calculate z/zlog Values for a data.frame
zcol                    Z(log) Depending Color
