\Header{warpbreaks}{The Number of Breaks in Yarn during Weaving}
\keyword{datasets}{warpbreaks}
\begin{Usage}
\begin{verbatim}data(warpbreaks)\end{verbatim}
\end{Usage}
\begin{Format}
A data frame with 54 observations on 3 variables.
\Tabular{rlll}{
[,1]  & breaks   & numeric  & The number of breaks\\{}
[,2]  & wool     & factor   & The type of wool (A or B)\\{}
[,3]  & tension  & factor   & The level of tension (L, M, H)
}\end{Format}
\begin{Description}
This data set gives the number of warp breaks per loom, where a
loom corresponds to a fixed length of yarn.\end{Description}
\begin{Source}
L. H. C. Tippet (1950).  Technological Applications of Statistics,
Wiley, page 106.\end{Source}
\begin{References}
Tukey, J. W. (1977).  Exploratory Data Analysis.  Addison-Wesley.
McNeil, D. (1977).  Interactive Data Analysis.  Wiley.\end{References}

