\name{Tetracycline1}
\alias{Tetracycline1}
\title{Pharmacokinetics of tetracycline}
\description{
    The \code{Tetracycline1} data frame has 40 rows and 4 columns.
}
\format{
    This data frame contains the following columns:
    \describe{
	\item{conc}{
	    a numeric vector
	}
	\item{Time}{
	    a numeric vector
	}
	\item{Subject}{
	    an ordered factor with levels
	    \code{5} < \code{3} < \code{2} < \code{4} < \code{1}
	}
	\item{Formulation}{
	    a factor with levels
	    \code{tetrachel} 
	    \code{tetracyn} 
	}
    }
}
\details{
}
\source{
    Pinheiro, J. C. and Bates, D. M. (2000), \emph{Mixed-Effects Models in S
	and S-PLUS}, Springer, New York.
}
\examples{
str(Tetracycline1)
}
\keyword{datasets}