11.43 Plotting Regions
REVIEW The basic concept of R’s graphics model is that a plot is built up layer by layer. Each latter component of the plot overlays earlier components. A plot also has two components. The plotting area is identified by through the parameter, as 4 numbers \(x_1\), \(x_2\), \(y_1\), and \(y_2\). You can retrieve the current plotting region (which is defined by the first component of a plot) with:
> plot(rnorm(10)) > par("usr")  0.640000 10.360000 -1.390595 1.153828
The whole figure itself will encompass the plotting region and the region around the plot used to add axis information and labels. Outside of the figure region is the device region. Normally, adding components to a plot, outside of the plotting region, will have no effect—they will be cropped. To ensure they do not get cropped, set the graphic parameter to TRUE:
Your donation will support ongoing development and give you access to the PDF version of this book. Desktop Survival Guides include Data Science, GNU/Linux, and MLHub. Books available on Amazon include Data Mining with Rattle and Essentials of Data Science. Popular open source software includes rattle, wajig, and mlhub. Hosted by Togaware, a pioneer of free and open source software since 1984.
Copyright © 1995-2021 Graham.Williams@togaware.com Creative Commons Attribution-ShareAlike 4.0.