Calculate some stats about removals — wl_removal_stats • NHSRwaitinglist

Calculate some stats about removals

Usage

wl_removal_stats(
  waiting_list,
  start_date = NULL,
  end_date = NULL,
  referral_index = 1,
  removal_index = 2
)

Arguments

waiting_list: data.frame. A df of referral dates and removals
start_date: date. The start date to calculate from
end_date: date. The end date to calculate to
referral_index: int. Index of the referral column in waiting_list.
removal_index: int. Index of the removal column in waiting_list.

Value

A data.frame with the following summary statistics on removals/capacity:

capacity_weekly: Numeric. Mean number of removals from the waiting list per week.
capacity_daily: Numeric. Mean number of removals from the waiting list per day.
capacity_cov: Numeric. Coefficient of variation in the time between removals from the waiting list.
removal_count: Numeric. Total number of removals from the waiting list over the full time period.

Examples

referrals <- c.Date("2024-01-01", "2024-01-04", "2024-01-10", "2024-01-16")
removals <- c.Date("2024-01-08", NA, NA, NA)
waiting_list <- data.frame("referral" = referrals, "removal" = removals)
removal_stats <- wl_removal_stats(waiting_list)