\name{wine} \alias{wine} \docType{data} \title{Wine recognition data} \description{ Data from the machine learning repository. A chemical analysis of 178 Italian wines from three different cultivars yielded 13 measurements. This dataset is often used to test and compare the performance of various classification algorithms. } \format{This data frame contains the following columns: \describe{ \item{Class:}{There are 3 classes} \item{Alcohol:}{Alcohol} \item{Malic:}{Malic acid} \item{Ash:}{Ash} \item{Alcalinity:}{Alcalinity of ash} \item{Magnesium:}{Magnesium} \item{Phenols:}{Total phenols} \item{Flavanoids:}{Flavanoids} \item{Nonflavanoid:}{Nonflavanoid phenols} \item{Proanthocyanins:}{Proanthocyanins} \item{Intensity:}{Color intensity} \item{Hue:}{Hue} \item{OD280:}{OD280/OD315 of diluted wines} \item{Proline:}{Proline} }} \usage{data(wine)} \source{ Forina, M. et al, PARVUS - An Extendible Package for Data Exploration, Classification and Correlation. Institute of Pharmaceutical and Food Analysis and Technologies, Via Brigata Salerno, 16147 Genoa, Italy. } \references{ Blake, C.L. and Merz, C.J. (1998), UCI Repository of machine learning databases, \\ \url{http://www.ics.uci.edu/~mlearn/MLRepository.html}. Irvine, CA: University of California, Department of Information and Computer Science. The database does not list the variable names. These were located at \url{http://www.radwin.org/michael/projects/learning/about-wine.html}. } \keyword{datasets}