% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/data.R
\docType{data}
\name{mtcars.mix}
\alias{mtcars.mix}
\title{Motor Trend Cars Mixed Symbolic Dataset}
\format{
A symbolic data frame (\code{symbolic_tbl}) with 5 observations
(car groups) and 11 variables:
\itemize{
    \item \code{mpg}: Interval-valued miles per gallon.
    \item \code{cyl}: Modal-valued number of cylinders.
    \item \code{disp}: Interval-valued displacement (cu.in.).
    \item \code{hp}: Interval-valued horsepower.
    \item \code{drat}: Interval-valued rear axle ratio.
    \item \code{wt}: Interval-valued weight (1000 lbs).
    \item \code{qsec}: Interval-valued quarter-mile time (seconds).
    \item \code{vs}: Modal-valued engine type (V/S).
    \item \code{am}: Modal-valued transmission type (auto/manual).
    \item \code{gear}: Modal-valued number of forward gears.
    \item \code{carb}: Modal-valued number of carburetors.
}
}
\source{
ggInterval R package (\code{mtcars.i} dataset).
}
\usage{
data(mtcars.mix)
}
\description{
Mixed symbolic dataset of 5 car groups from the \code{mtcars} data,
with 7 interval-valued performance variables and 4 modal-valued
categorical variables.
}
\section{Metadata}{

\tabular{ll}{
  \strong{Sample size (n)} \tab 5 \cr
  \strong{Variables (p)} \tab 11 \cr
  \strong{Subject area} \tab Automotive \cr
  \strong{Symbolic format} \tab Mixed (interval, modal) \cr
  \strong{Analytical tasks} \tab Descriptive statistics, Clustering
}
}

\examples{
data(mtcars.mix)
}
\references{
Henderson, R. and Velleman, P. (1981). Building multiple regression
models interactively. \emph{Biometrics}, 37, 391--411.

Original data from the ggInterval R package (\code{mtcars.i} dataset).
}
\keyword{datasets}
\keyword{interval}
\keyword{mixed}
\keyword{modal}
