% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/assert.R
\name{rxHasAr}
\alias{rxHasAr}
\title{Test if a model uses an autoregressive (\code{ar()}) residual}
\usage{
rxHasAr(ui)
}
\arguments{
\item{ui}{rxode2 user interface model}
}
\value{
logical, \code{TRUE} if any endpoint carries an \code{ar()} correlation
(either an estimated correlation or a modeled/literal one)
}
\description{
Test if a model uses an autoregressive (\code{ar()}) residual
}
\author{
Matthew L. Fidler
}
