Compare counts — compare

Compare counts generated by counts()

Usage

compare_counts(
  df,
  interval = c("year", "month")[1],
  what = c("crashes", "fatalities", "injuries", "people")[1],
  where = list(states = "all", region = c("all", "ne", "mw", "s", "w")[1], urb = c("all",
    "rural", "urban")[1]),
  who = c("all", "drivers", "passengers", "bicyclists", "pedestrians")[1],
  involved = NULL,
  what2 = what,
  where2 = where,
  who2 = who,
  involved2 = involved
)

Arguments

df: The input FARS object.
interval: The interval in which to count: months or years.
what: What to count: crashes, fatalities, or people involved.
where: Where to count, a list with up to three elements: states ("all" by default), region ("all"), urb ("all")
who: The type of person to count: all (default) drivers, passengers, pedestrians, or bicyclists.
involved: Factors involved with the crash. Can be any of: distracted driver, police pursuit, motorcycle, pedalcyclist, bicyclist, pedestrian, pedbike, young driver, older driver, speeding, alcohol, drugs, hit and run, roadway departure, rollover, or large trucks.
what2: Comparison point for 'what' (set to 'what' unless specified).
where2: Comparison point for 'where' (set to 'where' unless specified).
who2: Comparison point for 'who' (set to 'who' unless specified).
involved2: Comparison point for 'involved' (set to 'involved' unless specified).

Value

A tibble of counts.

Examples


  if (FALSE) {
    compare_counts(
      get_fars(years = 2020, states="Virginia"),
      where = list(urb="rural"),
      where2 = list(urb="urban")
      )
   }