% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/data.R
\docType{data}
\name{bird_species_extended.mix}
\alias{bird_species_extended.mix}
\title{Bird Species Extended Mixed Symbolic Dataset}
\format{
A data frame with 3 observations and 6 variables:
\itemize{
    \item \code{species}: Species name (character).
    \item \code{flying}: Flying ability (Yes/No, character).
    \item \code{height_l}: Height lower bound (cm, numeric).
    \item \code{height_u}: Height upper bound (cm, numeric).
    \item \code{color}: Color distribution as weighted set string
          (e.g., "\{white, 0.3; black, 0.7\}").
    \item \code{migratory}: Migratory behavior (Yes/No, character).
}
}
\usage{
data(bird_species_extended.mix)
}
\description{
Three bird species (Geese, Ostrich, Penguin) with interval-valued
height, distribution-valued color, and categorical flying/migratory
variables.
}
\section{Metadata}{

\tabular{ll}{
  \strong{Sample size (n)} \tab 3 \cr
  \strong{Variables (p)} \tab 6 \cr
  \strong{Subject area} \tab Zoology \cr
  \strong{Symbolic format} \tab Mixed (interval, categorical, distribution) \cr
  \strong{Analytical tasks} \tab Descriptive statistics
}
}

\examples{
data(bird_species_extended.mix)
}
\references{
Billard, L. and Diday, E. (2006). \emph{Symbolic Data Analysis}. Wiley.
Table 2.19.
}
\keyword{categorical}
\keyword{datasets}
\keyword{histogram}
\keyword{interval}
\keyword{mixed}
