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    (the default), the location will be determined by \code{adj}.
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    (the default), the location will be determined by \code{adj}.
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  }
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  }
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  \item{adj}{adjustment for each string. For strings parallel
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  \item{adj}{adjustment for each string. For strings parallel
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    to the axes, \code{adj=0} means left or bottom alignment, and
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    to the axes, \code{adj=0} means left or bottom alignment, and
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    \code{adj=1} means right or top alignment.
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    \code{adj=1} means right or top alignment.
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    If \code{adj} is not a finite value (the default), the value
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    If \code{adj} is not a finite value (the default), the value of
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    \code{par("las")} determines the adjustment. For strings plotted
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    \code{par("las")} determines the adjustment.  For strings plotted
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    parallel to the axis the default is to centre the string.}
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    parallel to the axis the default is to centre the string.}
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  \item{\dots}{Further graphical parameters (see \code{\link{text}} and
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  \item{\dots}{Further graphical parameters (see \code{\link{text}} and
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    \code{\link{par}}) ; currently supported are:}
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    \code{\link{par}}) ; currently supported are:}
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  \item{cex}{character expansion factor (default = 1).}
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  \item{cex}{character expansion factor (default = 1).}
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  \item{col}{color to use.}
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  \item{col}{color to use.}
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  \code{adj = 0.5} will centre the string, but for \code{outer=TRUE} on
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  \code{adj = 0.5} will centre the string, but for \code{outer=TRUE} on
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  the device region rather than the plot region.
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  the device region rather than the plot region.
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  Parameter \code{las} will determine the orientation of the string(s).
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  Parameter \code{las} will determine the orientation of the string(s).
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  For strings plotted perpendicular to the axis the default justification
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  For strings plotted perpendicular to the axis the default justification
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  is to place the end of the string nearest the axis on the specified line.
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  is to place the end of the string nearest the axis on the specified
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  line.  (Note that this differs from S, which uses \code{srt} if
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  \code{at} is supplied and \code{las} if it is not.)
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  Note that if the text is to be plotted perpendicular to the axis,
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  Note that if the text is to be plotted perpendicular to the axis,
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  \code{adj} determines the justification of the string \emph{and} the
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  \code{adj} determines the justification of the string \emph{and} the
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  position along the axis unless \code{at} is specified.
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  position along the axis unless \code{at} is specified.
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}
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}