Selecting a graphics device
R can send its output to several different graphic devices to display graphics in different formats. By default, R prints to the screen. However, we can save graphs in the following file formats as well: PostScript, PDF, PNG, JPEG, Windows metafile, Windows BMP, and so on.
Getting ready
If you have not already done so, download the data files for this chapter and ensure that the auto-mpg.csv file is available in your R environment's working directory and run the following commands:
> auto <- read.csv("auto-mpg.csv")
>
> cylinders <- factor(cylinders, levels = c(3,4,5,6,8), labels = c("3cyl", "4cyl", "5cyl", "6cyl", "8cyl"))
> attach(auto)How to do it...
To send the graphic output to the computer screen, you have to do nothing ...
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