Function reference • appc

Geomarker assessment

get_elevation_summary() install_elevation_data(): Get elevation summary data

get_gridmet_data() install_gridmet_data(): Get gridMET surface meteorological data

get_narr_data() install_narr_data(): Get daily North American Regional Reanalysis (NARR) weather data

get_merra_data() install_merra_data() create_daily_merra_data(): Get MERRA-2 aerosol diagnostics data

get_hms_smoke_data() install_hms_smoke_data(): Get smoke plume data from the NOAA's Hazard Mapping System

get_nlcd_frac_imperv() install_nlcd_frac_imperv_data(): Get NLCD Fractional Impervious Surface

get_nei_point_summary() install_nei_point_data(): Get NEI point summary data

get_traffic_summary() install_traffic(): Get traffic summary

Air pollution assessment

predict_pm25(): Get daily PM2.5 model predictions

predict_pm25_date_range(): Get daily PM2.5 model predictions using date ranges

assemble_predictors(): Assemble a tibble of required predictors for the exposure assessment model

Helpers

latlon_to_s2_cell(): Convert latitude/longitude vectors into S2 cells

get_daily_aqs(): Get daily AQS concentrations

get_closest_year(): Get the closest years to a vector of dates

appc_clean_data_directory(): delete all installed data files in the user's data directory for the appc package