Plot Posterior Predictive Check (PPC)

Usage

plot_ppc(
  ppc_data,
  ci_data = NULL,
  title = "Posterior Predictive Check",
  xlab = "Date",
  ylab = "Value",
  show_obs = TRUE,
  show_best = TRUE,
  show_ribbon = TRUE
)

Arguments

ppc_data: Data frame from prepare_ppc_data() with columns: date_ymd, value, variable, and label.
ci_data: Optional data frame with columns: date_ymd, lower, upper, variable.
title: Plot title.
xlab: Label for x-axis.
ylab: Label for y-axis.
show_obs: Logical. Whether to show observed data.
show_best: Logical. Whether to show deterministic prediction.
show_ribbon: Logical. Whether to show posterior CI ribbon.

Value

A ggplot2 object.