plot_dd: Plot Delay-Discounting Model

In beezdiscounting: Behavioral Economic Easy Discounting

Plot Delay-Discounting Model

Description

This function generates a plot of the delay-discounting data and the fitted model.

Usage

plot_dd(
  fit_dd_object,
  xlabel = "Delay",
  ylabel = "Indifference Point",
  title = "",
  logx = TRUE
)

Arguments

fit_dd_object	A fitted delay-discounting model object of class "fit_dd", created by the fit_dd() function.
xlabel	A character string specifying the label for the x-axis. Default is "Delay".
ylabel	A character string specifying the label for the y-axis. Default is "Indifference Point".
title	A character string specifying the plot title. Default is "".
logx	Logical. If TRUE, the x-axis is log-transformed. Default is TRUE.

Value

A ggplot object representing the fitted model and data.

Examples

data <- data.frame(
  id = rep(1:2, each = 6),
  x = rep(c(1, 7, 30, 90, 180, 365), 2),
  y = c(0.9, 0.5, 0.3, 0.2, 0.1, 0.05, 0.85, 0.55, 0.35, 0.15, 0.1, 0.05)
)
fit <- fit_dd(data, equation = "mazur", method = "mean")
plot_dd(fit)

beezdiscounting documentation built on April 4, 2025, 4:44 a.m.