| plot.factor {base} | R Documentation |
Plotting Factor Variables
Description
This functions implements a “scatterplot” method for
factor arguments of the generic
plot function.
Actually, boxplot or barplot are used when
appropriate.
Usage
plot.factor(x, y, legend.text = levels(y), ...)
Arguments
x, y |
numeric or factor. |
legend.text |
a vector of text used to construct a legend for
the plot. Only used if |
... |
Further arguments to |
See Also
plot.default, plot.formula,
barplot, boxplot.
Examples
data(PlantGrowth)
plot(PlantGrowth) # -> plot.data.frame
plot(weight ~ group, data = PlantGrowth) # numeric vector ~ factor
plot(cut(weight, 2) ~ group, data = PlantGrowth) # factor ~ factor
## passing "..." to barplot() eventually:
plot(cut(weight, 3) ~ group, data = PlantGrowth, density = 16*(1:3),col=NULL)
plot(PlantGrowth$group, axes=FALSE, main="no axes")# extremly silly