© Margot Tollefson 2021
M. TollefsonVisualizing Data in R 4https://doi.org/10.1007/978-1-4842-6831-5_4

4. Ancillary Functions for plot( )

Margot Tollefson1  
Stratford, IA, USA

There are functions in R that can be used to add to a plot once plot() has been run (or when plot() is run). Such functions can do things like add a regression line to a scatterplot or put text next to a point. In this chapter, those ancillary functions found in the graphics and stats packages are covered. The chapter is broken into four sections: the overall appearance, the functions assigning objects to locations, the functions that plot lines or line-like objects, and specialized functions.

There are a few arguments to plot.default() that were not covered in Chapter ...

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