% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/plot.R
\name{et_plot_forecast}
\alias{et_plot_forecast}
\title{Plot posterior predictive fan chart}
\usage{
et_plot_forecast(
  predictions,
  observed = NULL,
  response_col = NULL,
  time_col = NULL
)
}
\arguments{
\item{predictions}{An \code{et_prediction} object.}

\item{observed}{Optional \code{data.frame} with true response values.
If provided, points are overlaid.}

\item{response_col}{Character.  Name of the response column in
\code{observed}.}

\item{time_col}{Character.  Column in \code{predictions$newdata} used
as the x-axis.  Defaults to observation index.}
}
\value{
A \code{ggplot2} object.
}
\description{
Overlays nested credible interval ribbons on the median forecast, with
optional observed values for calibration assessment.
}
