For example, we could omit every row for which there is at least one missing variable. Most of the time, you will probably be using motif. From that point on, any graphical images will be displayed in that window. The motif graphics window allows you to immediately see any image that you create. If you are trying to create presentation graphics and need total control over everything, you may need to use the Postscript device.
Postscript is a widely-used graphical programming language.
You can also include the image in a document that you prepare using TeX, LaTeX, AMSTeX, and a variety of other word-processing programs. You can customize your plots by changing these parameters. There are two ways to change them. Second, you can change the graphical parameters within a single plot by supplying these parameters as arguments to a particular plotting function. If you don't understand what I just said, don't worry.