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Commit ca108e72 authored by Fernando Mayer's avatar Fernando Mayer
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use \eqn{} to display math notation

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......@@ -51,13 +51,13 @@ NULL
#'
#' @description These data are from an experiment done by the engineer
#' Oscar A. Garay at Balcare, Argentina. The experiment was done in a
#' randomized complete block design with 4 blocks. Potato yield (t
#' ha^{-1}) was recorded in each experimental unit.
#' randomized complete block design with 4 blocks. Potato yield (t/ha)
#' was recorded in each experimental unit.
#'
#' \itemize{
#' \item block a categorical unordered factor with 4 levels.
#' \item variety a categorical unordered factor with 8 levels.
#' \item yield potato yield (t ha^{-1}).
#' \item yield potato yield (t/ha).
#' }
#'
#' @docType data
......@@ -90,14 +90,14 @@ NULL
#' Duvilio Ometto to study the effect of plowing level on corn yield. It
#' was used 2 levels of plowing: normal (or superficial) and deep. The
#' experiment was done in a randomized complete block design with 6
#' blocks. Corn yield (t ha^{-1}) was recorded in each experimental unit
#' blocks. Corn yield (t/ha) was recorded in each experimental unit
#' but in this experiment there was 2 experimental units for each factor
#' level in each block.
#'
#' \itemize{
#' \item block a categorical unordered factor with 6 levels.
#' \item plow a categorical unordered factor with 2 levels.
#' \item yield corn yield (kg in 200 m^{2} of area).
#' \item yield corn yield (kg in 200 m\eqn{^2} of area).
#' }
#'
#' @docType data
......
......@@ -17,14 +17,14 @@ These data are from an experiment done by the engineer
Duvilio Ometto to study the effect of plowing level on corn yield. It
was used 2 levels of plowing: normal (or superficial) and deep. The
experiment was done in a randomized complete block design with 6
blocks. Corn yield (t ha^{-1}) was recorded in each experimental unit
blocks. Corn yield (t/ha) was recorded in each experimental unit
but in this experiment there was 2 experimental units for each factor
level in each block.
\itemize{
\item block a categorical unordered factor with 6 levels.
\item plow a categorical unordered factor with 2 levels.
\item yield corn yield (kg in 200 m^{2} of area).
\item yield corn yield (kg in 200 m\eqn{^2} of area).
}
}
\examples{
......
......@@ -15,13 +15,13 @@ data(potatoyield)
\description{
These data are from an experiment done by the engineer
Oscar A. Garay at Balcare, Argentina. The experiment was done in a
randomized complete block design with 4 blocks. Potato yield (t
ha^{-1}) was recorded in each experimental unit.
randomized complete block design with 4 blocks. Potato yield (t/ha)
was recorded in each experimental unit.
\itemize{
\item block a categorical unordered factor with 4 levels.
\item variety a categorical unordered factor with 8 levels.
\item yield potato yield (t ha^{-1}).
\item yield potato yield (t/ha).
}
}
\examples{
......
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