kidney.epi              Kidney functions for R: clinical and
                        epidemiological
ktx                     Sample dataset with kidney transplant patients.
ktx.kdpi.optn           Calculate KDRI and KDPI for deceased kidney
                        donor
ktx.kdpi.optn.show.years
                        Shows which years are available in the R
                        package for the OPTN mapping table, KDRI
                        scaling factor, etc.
service.count_greater_threshhold
                        Count how many values are greater than the
                        defined threshhold.
service.count_lowerequal_threshhold
                        Count how many values are less or equal than
                        the defined threshhold.
service.is.param_possible
                        Service functions for data check which could be
                        applied in any function of the package or
                        externally
service.is_numeric      Check whether a vector is numeric.
service.kdpi.optn.output_message
                        Produce message for warning or cat
service.singular_or_plural
                        Form output message in singular or plural.
service.strict_to_numeric_threshhold_greater
                        Select only numeric values lower than defined
                        threshhold
service.strict_to_numeric_threshhold_lower
                        Select only numeric values greater than defined
                        threshhold.
