Area under the curve (AUC) — AUC • tempodisco

Compute either the model-based or model-free area under the curve.

Usage

AUC(
  obj,
  min_del = 0,
  max_del = NULL,
  val_del = NULL,
  del_transform = c("none", "log", "ordinal-scaling"),
  ...
)

obj: A temporal discounting model or a dataframe with columns indiff (indifference point) and del (delay).
min_del: Lower limit to use for integration. Defaults to 0.
max_del: Upper limit to use for integration. Defaults to the maximum delay in the data.
val_del: Delayed value to use for computing the indifference curve, if applicable. Defaults to the average del_val in the data.
del_transform: String specifying transformation to apply to the delays (e.g., log10 + 1 transform or ordinal scaling transform; Borges et al., 2016, doi:10.1002/jeab.219 ). Default is no transform.
...: Further arguments passed to `integrate()`.

AUC value.

Calculation of the area always begins from delay 0, where an indifference point of 1 is assumed.

if (FALSE) { # \dontrun{
data("td_bc_single_ptpt")
mod <- td_bcnm(td_bc_single_ptpt)
print(AUC(mod))
data("td_ip_simulated_ptpt")
} # }