Function reference • sRtr

File Loading

load_srtr_file(): Load an SRTR file and optionally apply labels

set_srtr_wd(): Set the SRTR working directory

Variable and Factor Labeling

apply_srtr_varlabels(): Apply SRTR variable labels to a data frame

apply_srtr_factors(): Apply SRTR factor labels to a data frame

Risk and Score Calculators

add_pdri(): Add Pancreas Donor Risk Index (PDRI)

Missing data

srtr_normalize_missing(): Normalize Missing Value Representations in SRTR Data

Time-to-event & composite dates

Helpers for composing event dates and simple TTE calculations

srtr_composite_death(): Composite death date (OPTN > SSA > TFL)

add_txf_outcomes(): Add time-to-event (TTE) follow-up outcomes to a transplant cohort

add_tte_outcomes(): Add appropriate TTE outcome variables to a data frame based on the df attributes, if the file was loaded using a load function.

srtr_time_to_event(): Helper function to add a time-to-event outcome from a date function

Mapping transplant geography

get_hrsa_transplant_centers(): Download HRSA Organ Procurement & Transplantation Center Locations

get_hrsa_optn_regions(): Get OPTN/UNOS Region Boundaries

get_hrsa_opo_service_areas(): Download HRSA OPO Service Area Boundaries

calculate_geography_coverage_gain(): Calculate net geographic coverage gain from adding new coverage areas to an existing coverage base

rank_individual_coverage_gains(): Rank individual candidate areas by marginal coverage gain

Spatial datasets

transplant_centers_sf: U.S. Transplant Centers (sf), EPSG:5070

UNOS_regions_sf: UNOS Regions by State (sf), EPSG:5070

Package data

formats: SRTR Format Lookup Table

dictionary: SRTR Variable Dictionary