## Plotting factor variables

## Usage

    plot.factor(x, y, ...)

## Arguments

`x,y` | numeric or factor. `y` may be missing.
`...` | Further arguments to `plot`, see also `par`.

## Description

This functions implements a ``scatterplot'' method for `factor` arguments of the generic `plot` function. Actually, `boxplot` or `barplot` are used when appropriate.

## See Also

`plot.default`, `plot.formula`.

## Examples

    data(plants)
    plot(plants)#-> plot.data.frame
    plot(weight ~ group, data=plants)#-> plot.formula and plot.factor

[Package Contents]