## ----------------------------------------------------------------------------- knitr::opts_chunk$set( collapse = FALSE, comment = "#>", message = FALSE, fig.width = 7, fig.height = 5 ) ## ----------------------------------------------------------------------------- library(catchmentACS) library(dplyr) library(sf) # needed to subset the bundled sf objects with [ ## ----------------------------------------------------------------------------- # Compute every result in this article instead of reading saved ones; the # option is restored at the end of the article. old_options <- options(catchmentACS.cache_enabled = FALSE) ## ----------------------------------------------------------------------------- iso <- readRDS(system.file( "extdata", "legacy_2025_isochrones.rds", package = "catchmentACS" )) acs <- readRDS(system.file( "extdata", "sample_alabama_subset.rds", package = "catchmentACS" )) site_07 <- data.frame(site_id = "AL_SITE_07", lon = -85.365, lat = 31.655) result <- cacs_run( site_07, state = "AL", precomputed_isochrones = iso[iso$site_id == "AL_SITE_07", ], acs = acs, verbose = FALSE ) tibble::as_tibble(result) |> filter(weight_basis == "area_mean") |> select(drive_time_min, variable, estimate, moe) ## ----------------------------------------------------------------------------- options(old_options) rm(old_options)