plot.factor(x, y, ...)
x,y
|
numeric or factor. y may be missing.
|
...
|
Further arguments to plot , see also
par .
|
factor
arguments of the generic
plot
function.
Actually, boxplot
or barplot
are used when
appropriate.plot.default
, plot.formula
.data(plants) plot(plants)#-> plot.data.frame plot(weight ~ group, data=plants)#-> plot.formula and plot.factor