\HeaderA{RatPupWeight}{The weight of rat pups}{RatPupWeight}
\keyword{datasets}{RatPupWeight}
\begin{Description}\relax
The \code{RatPupWeight} data frame has 322 rows and 5 columns.
\end{Description}
\begin{Format}\relax
This data frame contains the following columns:
\describe{
\item[weight] a numeric vector

\item[sex] a factor with levels
\code{Male} 
\code{Female} 

\item[Litter] an ordered factor with levels
\code{9} < \code{8} < \code{7} < \code{4} < \code{2} < \code{10} < \code{1} < \code{3} < \code{5} < \code{6} < \code{21} < \code{22} < \code{24} < \code{27} < \code{26} < \code{25} < \code{23} < \code{17} < \code{11} < \code{14} < \code{13} < \code{15} < \code{16} < \code{20} < \code{19} < \code{18} < \code{12}

\item[Lsize] a numeric vector

\item[Treatment] an ordered factor with levels
\code{Control} < \code{Low} < \code{High}

}
\end{Format}
\begin{Source}\relax
Pinheiro, J. C. and Bates, D. M. (2000), \emph{Mixed-Effects Models in S
and S-PLUS}, Springer, New York.
\end{Source}

