57 lines
1.7 KiB
Plaintext
57 lines
1.7 KiB
Plaintext
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\docType{package}
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\name{labeling-package}
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\alias{labeling}
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\alias{labeling-package}
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\title{Axis labeling}
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\description{
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Functions for positioning tick labels on axes
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}
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\details{
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\tabular{ll}{ Package: \tab labeling\cr Type: \tab
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Package\cr Version: \tab 0.2\cr Date: \tab 2011-04-01\cr
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License: \tab Unlimited\cr LazyLoad: \tab yes\cr }
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Implements a number of axis labeling schemes, including
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those compared in An Extension of Wilkinson's Algorithm
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for Positioning Tick Labels on Axes by Talbot, Lin, and
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Hanrahan, InfoVis 2010.
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}
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\examples{
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heckbert(8.1, 14.1, 4) # 5 10 15
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wilkinson(8.1, 14.1, 4) # 8 9 10 11 12 13 14 15
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extended(8.1, 14.1, 4) # 8 10 12 14
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# When plotting, extend the plot range to include the labeling
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# Should probably have a helper function to make this easier
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data(iris)
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x <- iris$Sepal.Width
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y <- iris$Sepal.Length
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xl <- extended(min(x), max(x), 6)
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yl <- extended(min(y), max(y), 6)
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plot(x, y,
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xlim=c(min(x,xl),max(x,xl)),
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ylim=c(min(y,yl),max(y,yl)),
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axes=FALSE, main="Extended labeling")
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axis(1, at=xl)
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axis(2, at=yl)
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}
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\author{
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Justin Talbot \email{justintalbot@gmail.com}
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}
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\references{
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Heckbert, P. S. (1990) Nice numbers for graph labels,
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Graphics Gems I, Academic Press Professional, Inc.
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Wilkinson, L. (2005) The Grammar of Graphics,
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Springer-Verlag New York, Inc. Talbot, J., Lin, S.,
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Hanrahan, P. (2010) An Extension of Wilkinson's Algorithm
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for Positioning Tick Labels on Axes, InfoVis 2010.
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}
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\seealso{
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\code{\link{extended}}, \code{\link{wilkinson}},
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\code{\link{heckbert}}, \code{\link{rpretty}},
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\code{\link{gnuplot}}, \code{\link{matplotlib}},
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\code{\link{nelder}}, \code{\link{sparks}},
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\code{\link{thayer}}, \code{\link{pretty}}
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}
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\keyword{dplot}
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