The `plot()` function is the backbone of base plots in R. It provides capability for generic *X-Y* plotting. It requires only one argument, *x*, which should be something to plot—a vector of numbers, one variable of a dataset, or a model object such as linear or logistic regression. You can, of course, add a second variable, *y*, plus an assortment of options to customize the plot, but *x* is the only input required for the function to run successfully.

For anything beyond the basic *x* and *y* arguments to the function, you'll need to get very familiar with using `?plot` or `help(plot)`. The documentation suggests options, such as those ...